//! moment.js
//! version : 2.29.4
//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
//! license : MIT
//! momentjs.com

;(function (global, factory) {
	typeof exports === "object" && typeof module !== "undefined"
		? (module.exports = factory())
		: typeof define === "function" && define.amd
		? define(factory)
		: (global.moment = factory())
})(this, function () {
	"use strict"

	var hookCallback

	function hooks() {
		return hookCallback.apply(null, arguments)
	}

	// This is done to register the method called with moment()
	// without creating circular dependencies.
	function setHookCallback(callback) {
		hookCallback = callback
	}

	function isArray(input) {
		return (
			input instanceof Array ||
			Object.prototype.toString.call(input) === "[object Array]"
		)
	}

	function isObject(input) {
		// IE8 will treat undefined and null as object if it wasn't for
		// input != null
		return (
			input != null &&
			Object.prototype.toString.call(input) === "[object Object]"
		)
	}

	function hasOwnProp(a, b) {
		return Object.prototype.hasOwnProperty.call(a, b)
	}

	function isObjectEmpty(obj) {
		if (Object.getOwnPropertyNames) {
			return Object.getOwnPropertyNames(obj).length === 0
		} else {
			var k
			for (k in obj) {
				if (hasOwnProp(obj, k)) {
					return false
				}
			}
			return true
		}
	}

	function isUndefined(input) {
		return input === void 0
	}

	function isNumber(input) {
		return (
			typeof input === "number" ||
			Object.prototype.toString.call(input) === "[object Number]"
		)
	}

	function isDate(input) {
		return (
			input instanceof Date ||
			Object.prototype.toString.call(input) === "[object Date]"
		)
	}

	function map(arr, fn) {
		var res = [],
			i,
			arrLen = arr.length
		for (i = 0; i < arrLen; ++i) {
			res.push(fn(arr[i], i))
		}
		return res
	}

	function extend(a, b) {
		for (var i in b) {
			if (hasOwnProp(b, i)) {
				a[i] = b[i]
			}
		}

		if (hasOwnProp(b, "toString")) {
			a.toString = b.toString
		}

		if (hasOwnProp(b, "valueOf")) {
			a.valueOf = b.valueOf
		}

		return a
	}

	function createUTC(input, format, locale, strict) {
		return createLocalOrUTC(input, format, locale, strict, true).utc()
	}

	function defaultParsingFlags() {
		// We need to deep clone this object.
		return {
			empty: false,
			unusedTokens: [],
			unusedInput: [],
			overflow: -2,
			charsLeftOver: 0,
			nullInput: false,
			invalidEra: null,
			invalidMonth: null,
			invalidFormat: false,
			userInvalidated: false,
			iso: false,
			parsedDateParts: [],
			era: null,
			meridiem: null,
			rfc2822: false,
			weekdayMismatch: false
		}
	}

	function getParsingFlags(m) {
		if (m._pf == null) {
			m._pf = defaultParsingFlags()
		}
		return m._pf
	}

	var some
	if (Array.prototype.some) {
		some = Array.prototype.some
	} else {
		some = function (fun) {
			var t = Object(this),
				len = t.length >>> 0,
				i

			for (i = 0; i < len; i++) {
				if (i in t && fun.call(this, t[i], i, t)) {
					return true
				}
			}

			return false
		}
	}

	function isValid(m) {
		if (m._isValid == null) {
			var flags = getParsingFlags(m),
				parsedParts = some.call(flags.parsedDateParts, function (i) {
					return i != null
				}),
				isNowValid =
					!isNaN(m._d.getTime()) &&
					flags.overflow < 0 &&
					!flags.empty &&
					!flags.invalidEra &&
					!flags.invalidMonth &&
					!flags.invalidWeekday &&
					!flags.weekdayMismatch &&
					!flags.nullInput &&
					!flags.invalidFormat &&
					!flags.userInvalidated &&
					(!flags.meridiem || (flags.meridiem && parsedParts))

			if (m._strict) {
				isNowValid =
					isNowValid &&
					flags.charsLeftOver === 0 &&
					flags.unusedTokens.length === 0 &&
					flags.bigHour === undefined
			}

			if (Object.isFrozen == null || !Object.isFrozen(m)) {
				m._isValid = isNowValid
			} else {
				return isNowValid
			}
		}
		return m._isValid
	}

	function createInvalid(flags) {
		var m = createUTC(NaN)
		if (flags != null) {
			extend(getParsingFlags(m), flags)
		} else {
			getParsingFlags(m).userInvalidated = true
		}

		return m
	}

	// Plugins that add properties should also add the key here (null value),
	// so we can properly clone ourselves.
	var momentProperties = (hooks.momentProperties = []),
		updateInProgress = false

	function copyConfig(to, from) {
		var i,
			prop,
			val,
			momentPropertiesLen = momentProperties.length

		if (!isUndefined(from._isAMomentObject)) {
			to._isAMomentObject = from._isAMomentObject
		}
		if (!isUndefined(from._i)) {
			to._i = from._i
		}
		if (!isUndefined(from._f)) {
			to._f = from._f
		}
		if (!isUndefined(from._l)) {
			to._l = from._l
		}
		if (!isUndefined(from._strict)) {
			to._strict = from._strict
		}
		if (!isUndefined(from._tzm)) {
			to._tzm = from._tzm
		}
		if (!isUndefined(from._isUTC)) {
			to._isUTC = from._isUTC
		}
		if (!isUndefined(from._offset)) {
			to._offset = from._offset
		}
		if (!isUndefined(from._pf)) {
			to._pf = getParsingFlags(from)
		}
		if (!isUndefined(from._locale)) {
			to._locale = from._locale
		}

		if (momentPropertiesLen > 0) {
			for (i = 0; i < momentPropertiesLen; i++) {
				prop = momentProperties[i]
				val = from[prop]
				if (!isUndefined(val)) {
					to[prop] = val
				}
			}
		}

		return to
	}

	// Moment prototype object
	function Moment(config) {
		copyConfig(this, config)
		this._d = new Date(config._d != null ? config._d.getTime() : NaN)
		if (!this.isValid()) {
			this._d = new Date(NaN)
		}
		// Prevent infinite loop in case updateOffset creates new moment
		// objects.
		if (updateInProgress === false) {
			updateInProgress = true
			hooks.updateOffset(this)
			updateInProgress = false
		}
	}

	function isMoment(obj) {
		return (
			obj instanceof Moment || (obj != null && obj._isAMomentObject != null)
		)
	}

	function warn(msg) {
		if (
			hooks.suppressDeprecationWarnings === false &&
			typeof console !== "undefined" &&
			console.warn
		) {
			console.warn("Deprecation warning: " + msg)
		}
	}

	function deprecate(msg, fn) {
		var firstTime = true

		return extend(function () {
			if (hooks.deprecationHandler != null) {
				hooks.deprecationHandler(null, msg)
			}
			if (firstTime) {
				var args = [],
					arg,
					i,
					key,
					argLen = arguments.length
				for (i = 0; i < argLen; i++) {
					arg = ""
					if (typeof arguments[i] === "object") {
						arg += "\n[" + i + "] "
						for (key in arguments[0]) {
							if (hasOwnProp(arguments[0], key)) {
								arg += key + ": " + arguments[0][key] + ", "
							}
						}
						arg = arg.slice(0, -2) // Remove trailing comma and space
					} else {
						arg = arguments[i]
					}
					args.push(arg)
				}
				warn(
					msg +
						"\nArguments: " +
						Array.prototype.slice.call(args).join("") +
						"\n" +
						new Error().stack
				)
				firstTime = false
			}
			return fn.apply(this, arguments)
		}, fn)
	}

	var deprecations = {}

	function deprecateSimple(name, msg) {
		if (hooks.deprecationHandler != null) {
			hooks.deprecationHandler(name, msg)
		}
		if (!deprecations[name]) {
			warn(msg)
			deprecations[name] = true
		}
	}

	hooks.suppressDeprecationWarnings = false
	hooks.deprecationHandler = null

	function isFunction(input) {
		return (
			(typeof Function !== "undefined" && input instanceof Function) ||
			Object.prototype.toString.call(input) === "[object Function]"
		)
	}

	function set(config) {
		var prop, i
		for (i in config) {
			if (hasOwnProp(config, i)) {
				prop = config[i]
				if (isFunction(prop)) {
					this[i] = prop
				} else {
					this["_" + i] = prop
				}
			}
		}
		this._config = config
		// Lenient ordinal parsing accepts just a number in addition to
		// number + (possibly) stuff coming from _dayOfMonthOrdinalParse.
		// TODO: Remove "ordinalParse" fallback in next major release.
		this._dayOfMonthOrdinalParseLenient = new RegExp(
			(this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +
				"|" +
				/\d{1,2}/.source
		)
	}

	function mergeConfigs(parentConfig, childConfig) {
		var res = extend({}, parentConfig),
			prop
		for (prop in childConfig) {
			if (hasOwnProp(childConfig, prop)) {
				if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
					res[prop] = {}
					extend(res[prop], parentConfig[prop])
					extend(res[prop], childConfig[prop])
				} else if (childConfig[prop] != null) {
					res[prop] = childConfig[prop]
				} else {
					delete res[prop]
				}
			}
		}
		for (prop in parentConfig) {
			if (
				hasOwnProp(parentConfig, prop) &&
				!hasOwnProp(childConfig, prop) &&
				isObject(parentConfig[prop])
			) {
				// make sure changes to properties don't modify parent config
				res[prop] = extend({}, res[prop])
			}
		}
		return res
	}

	function Locale(config) {
		if (config != null) {
			this.set(config)
		}
	}

	var keys

	if (Object.keys) {
		keys = Object.keys
	} else {
		keys = function (obj) {
			var i,
				res = []
			for (i in obj) {
				if (hasOwnProp(obj, i)) {
					res.push(i)
				}
			}
			return res
		}
	}

	var defaultCalendar = {
		sameDay: "[Today at] LT",
		nextDay: "[Tomorrow at] LT",
		nextWeek: "dddd [at] LT",
		lastDay: "[Yesterday at] LT",
		lastWeek: "[Last] dddd [at] LT",
		sameElse: "L"
	}

	function calendar(key, mom, now) {
		var output = this._calendar[key] || this._calendar["sameElse"]
		return isFunction(output) ? output.call(mom, now) : output
	}

	function zeroFill(number, targetLength, forceSign) {
		var absNumber = "" + Math.abs(number),
			zerosToFill = targetLength - absNumber.length,
			sign = number >= 0
		return (
			(sign ? (forceSign ? "+" : "") : "-") +
			Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) +
			absNumber
		)
	}

	var formattingTokens =
			/(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|N{1,5}|YYYYYY|YYYYY|YYYY|YY|y{2,4}|yo?|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g,
		localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g,
		formatFunctions = {},
		formatTokenFunctions = {}

	// token:    'M'
	// padded:   ['MM', 2]
	// ordinal:  'Mo'
	// callback: function () { this.month() + 1 }
	function addFormatToken(token, padded, ordinal, callback) {
		var func = callback
		if (typeof callback === "string") {
			func = function () {
				return this[callback]()
			}
		}
		if (token) {
			formatTokenFunctions[token] = func
		}
		if (padded) {
			formatTokenFunctions[padded[0]] = function () {
				return zeroFill(func.apply(this, arguments), padded[1], padded[2])
			}
		}
		if (ordinal) {
			formatTokenFunctions[ordinal] = function () {
				return this.localeData().ordinal(func.apply(this, arguments), token)
			}
		}
	}

	function removeFormattingTokens(input) {
		if (input.match(/\[[\s\S]/)) {
			return input.replace(/^\[|\]$/g, "")
		}
		return input.replace(/\\/g, "")
	}

	function makeFormatFunction(format) {
		var array = format.match(formattingTokens),
			i,
			length

		for (i = 0, length = array.length; i < length; i++) {
			if (formatTokenFunctions[array[i]]) {
				array[i] = formatTokenFunctions[array[i]]
			} else {
				array[i] = removeFormattingTokens(array[i])
			}
		}

		return function (mom) {
			var output = "",
				i
			for (i = 0; i < length; i++) {
				output += isFunction(array[i]) ? array[i].call(mom, format) : array[i]
			}
			return output
		}
	}

	// format date using native date object
	function formatMoment(m, format) {
		if (!m.isValid()) {
			return m.localeData().invalidDate()
		}

		format = expandFormat(format, m.localeData())
		formatFunctions[format] =
			formatFunctions[format] || makeFormatFunction(format)

		return formatFunctions[format](m)
	}

	function expandFormat(format, locale) {
		var i = 5

		function replaceLongDateFormatTokens(input) {
			return locale.longDateFormat(input) || input
		}

		localFormattingTokens.lastIndex = 0
		while (i >= 0 && localFormattingTokens.test(format)) {
			format = format.replace(
				localFormattingTokens,
				replaceLongDateFormatTokens
			)
			localFormattingTokens.lastIndex = 0
			i -= 1
		}

		return format
	}

	var defaultLongDateFormat = {
		LTS: "h:mm:ss A",
		LT: "h:mm A",
		L: "MM/DD/YYYY",
		LL: "MMMM D, YYYY",
		LLL: "MMMM D, YYYY h:mm A",
		LLLL: "dddd, MMMM D, YYYY h:mm A"
	}

	function longDateFormat(key) {
		var format = this._longDateFormat[key],
			formatUpper = this._longDateFormat[key.toUpperCase()]

		if (format || !formatUpper) {
			return format
		}

		this._longDateFormat[key] = formatUpper
			.match(formattingTokens)
			.map(function (tok) {
				if (tok === "MMMM" || tok === "MM" || tok === "DD" || tok === "dddd") {
					return tok.slice(1)
				}
				return tok
			})
			.join("")

		return this._longDateFormat[key]
	}

	var defaultInvalidDate = "Invalid date"

	function invalidDate() {
		return this._invalidDate
	}

	var defaultOrdinal = "%d",
		defaultDayOfMonthOrdinalParse = /\d{1,2}/

	function ordinal(number) {
		return this._ordinal.replace("%d", number)
	}

	var defaultRelativeTime = {
		future: "in %s",
		past: "%s ago",
		s: "a few seconds",
		ss: "%d seconds",
		m: "a minute",
		mm: "%d minutes",
		h: "an hour",
		hh: "%d hours",
		d: "a day",
		dd: "%d days",
		w: "a week",
		ww: "%d weeks",
		M: "a month",
		MM: "%d months",
		y: "a year",
		yy: "%d years"
	}

	function relativeTime(number, withoutSuffix, string, isFuture) {
		var output = this._relativeTime[string]
		return isFunction(output)
			? output(number, withoutSuffix, string, isFuture)
			: output.replace(/%d/i, number)
	}

	function pastFuture(diff, output) {
		var format = this._relativeTime[diff > 0 ? "future" : "past"]
		return isFunction(format) ? format(output) : format.replace(/%s/i, output)
	}

	var aliases = {}

	function addUnitAlias(unit, shorthand) {
		var lowerCase = unit.toLowerCase()
		aliases[lowerCase] = aliases[lowerCase + "s"] = aliases[shorthand] = unit
	}

	function normalizeUnits(units) {
		return typeof units === "string"
			? aliases[units] || aliases[units.toLowerCase()]
			: undefined
	}

	function normalizeObjectUnits(inputObject) {
		var normalizedInput = {},
			normalizedProp,
			prop

		for (prop in inputObject) {
			if (hasOwnProp(inputObject, prop)) {
				normalizedProp = normalizeUnits(prop)
				if (normalizedProp) {
					normalizedInput[normalizedProp] = inputObject[prop]
				}
			}
		}

		return normalizedInput
	}

	var priorities = {}

	function addUnitPriority(unit, priority) {
		priorities[unit] = priority
	}

	function getPrioritizedUnits(unitsObj) {
		var units = [],
			u
		for (u in unitsObj) {
			if (hasOwnProp(unitsObj, u)) {
				units.push({ unit: u, priority: priorities[u] })
			}
		}
		units.sort(function (a, b) {
			return a.priority - b.priority
		})
		return units
	}

	function isLeapYear(year) {
		return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0
	}

	function absFloor(number) {
		if (number < 0) {
			// -0 -> 0
			return Math.ceil(number) || 0
		} else {
			return Math.floor(number)
		}
	}

	function toInt(argumentForCoercion) {
		var coercedNumber = +argumentForCoercion,
			value = 0

		if (coercedNumber !== 0 && isFinite(coercedNumber)) {
			value = absFloor(coercedNumber)
		}

		return value
	}

	function makeGetSet(unit, keepTime) {
		return function (value) {
			if (value != null) {
				set$1(this, unit, value)
				hooks.updateOffset(this, keepTime)
				return this
			} else {
				return get(this, unit)
			}
		}
	}

	function get(mom, unit) {
		return mom.isValid()
			? mom._d["get" + (mom._isUTC ? "UTC" : "") + unit]()
			: NaN
	}

	function set$1(mom, unit, value) {
		if (mom.isValid() && !isNaN(value)) {
			if (
				unit === "FullYear" &&
				isLeapYear(mom.year()) &&
				mom.month() === 1 &&
				mom.date() === 29
			) {
				value = toInt(value)
				mom._d["set" + (mom._isUTC ? "UTC" : "") + unit](
					value,
					mom.month(),
					daysInMonth(value, mom.month())
				)
			} else {
				mom._d["set" + (mom._isUTC ? "UTC" : "") + unit](value)
			}
		}
	}

	// MOMENTS

	function stringGet(units) {
		units = normalizeUnits(units)
		if (isFunction(this[units])) {
			return this[units]()
		}
		return this
	}

	function stringSet(units, value) {
		if (typeof units === "object") {
			units = normalizeObjectUnits(units)
			var prioritized = getPrioritizedUnits(units),
				i,
				prioritizedLen = prioritized.length
			for (i = 0; i < prioritizedLen; i++) {
				this[prioritized[i].unit](units[prioritized[i].unit])
			}
		} else {
			units = normalizeUnits(units)
			if (isFunction(this[units])) {
				return this[units](value)
			}
		}
		return this
	}

	var match1 = /\d/, //       0 - 9
		match2 = /\d\d/, //      00 - 99
		match3 = /\d{3}/, //     000 - 999
		match4 = /\d{4}/, //    0000 - 9999
		match6 = /[+-]?\d{6}/, // -999999 - 999999
		match1to2 = /\d\d?/, //       0 - 99
		match3to4 = /\d\d\d\d?/, //     999 - 9999
		match5to6 = /\d\d\d\d\d\d?/, //   99999 - 999999
		match1to3 = /\d{1,3}/, //       0 - 999
		match1to4 = /\d{1,4}/, //       0 - 9999
		match1to6 = /[+-]?\d{1,6}/, // -999999 - 999999
		matchUnsigned = /\d+/, //       0 - inf
		matchSigned = /[+-]?\d+/, //    -inf - inf
		matchOffset = /Z|[+-]\d\d:?\d\d/gi, // +00:00 -00:00 +0000 -0000 or Z
		matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi, // +00 -00 +00:00 -00:00 +0000 -0000 or Z
		matchTimestamp = /[+-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123
		// any word (or two) characters or numbers including two/three word month in arabic.
		// includes scottish gaelic two word and hyphenated months
		matchWord =
			/[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i,
		regexes

	regexes = {}

	function addRegexToken(token, regex, strictRegex) {
		regexes[token] = isFunction(regex)
			? regex
			: function (isStrict, localeData) {
					return isStrict && strictRegex ? strictRegex : regex
			  }
	}

	function getParseRegexForToken(token, config) {
		if (!hasOwnProp(regexes, token)) {
			return new RegExp(unescapeFormat(token))
		}

		return regexes[token](config._strict, config._locale)
	}

	// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
	function unescapeFormat(s) {
		return regexEscape(
			s
				.replace("\\", "")
				.replace(
					/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g,
					function (matched, p1, p2, p3, p4) {
						return p1 || p2 || p3 || p4
					}
				)
		)
	}

	function regexEscape(s) {
		return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, "\\$&")
	}

	var tokens = {}

	function addParseToken(token, callback) {
		var i,
			func = callback,
			tokenLen
		if (typeof token === "string") {
			token = [token]
		}
		if (isNumber(callback)) {
			func = function (input, array) {
				array[callback] = toInt(input)
			}
		}
		tokenLen = token.length
		for (i = 0; i < tokenLen; i++) {
			tokens[token[i]] = func
		}
	}

	function addWeekParseToken(token, callback) {
		addParseToken(token, function (input, array, config, token) {
			config._w = config._w || {}
			callback(input, config._w, config, token)
		})
	}

	function addTimeToArrayFromToken(token, input, config) {
		if (input != null && hasOwnProp(tokens, token)) {
			tokens[token](input, config._a, config, token)
		}
	}

	var YEAR = 0,
		MONTH = 1,
		DATE = 2,
		HOUR = 3,
		MINUTE = 4,
		SECOND = 5,
		MILLISECOND = 6,
		WEEK = 7,
		WEEKDAY = 8

	function mod(n, x) {
		return ((n % x) + x) % x
	}

	var indexOf

	if (Array.prototype.indexOf) {
		indexOf = Array.prototype.indexOf
	} else {
		indexOf = function (o) {
			// I know
			var i
			for (i = 0; i < this.length; ++i) {
				if (this[i] === o) {
					return i
				}
			}
			return -1
		}
	}

	function daysInMonth(year, month) {
		if (isNaN(year) || isNaN(month)) {
			return NaN
		}
		var modMonth = mod(month, 12)
		year += (month - modMonth) / 12
		return modMonth === 1
			? isLeapYear(year)
				? 29
				: 28
			: 31 - ((modMonth % 7) % 2)
	}

	// FORMATTING

	addFormatToken("M", ["MM", 2], "Mo", function () {
		return this.month() + 1
	})

	addFormatToken("MMM", 0, 0, function (format) {
		return this.localeData().monthsShort(this, format)
	})

	addFormatToken("MMMM", 0, 0, function (format) {
		return this.localeData().months(this, format)
	})

	// ALIASES

	addUnitAlias("month", "M")

	// PRIORITY

	addUnitPriority("month", 8)

	// PARSING

	addRegexToken("M", match1to2)
	addRegexToken("MM", match1to2, match2)
	addRegexToken("MMM", function (isStrict, locale) {
		return locale.monthsShortRegex(isStrict)
	})
	addRegexToken("MMMM", function (isStrict, locale) {
		return locale.monthsRegex(isStrict)
	})

	addParseToken(["M", "MM"], function (input, array) {
		array[MONTH] = toInt(input) - 1
	})

	addParseToken(["MMM", "MMMM"], function (input, array, config, token) {
		var month = config._locale.monthsParse(input, token, config._strict)
		// if we didn't find a month name, mark the date as invalid.
		if (month != null) {
			array[MONTH] = month
		} else {
			getParsingFlags(config).invalidMonth = input
		}
	})

	// LOCALES

	var defaultLocaleMonths =
			"January_February_March_April_May_June_July_August_September_October_November_December".split(
				"_"
			),
		defaultLocaleMonthsShort =
			"Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec".split("_"),
		MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/,
		defaultMonthsShortRegex = matchWord,
		defaultMonthsRegex = matchWord

	function localeMonths(m, format) {
		if (!m) {
			return isArray(this._months) ? this._months : this._months["standalone"]
		}
		return isArray(this._months)
			? this._months[m.month()]
			: this._months[
					(this._months.isFormat || MONTHS_IN_FORMAT).test(format)
						? "format"
						: "standalone"
			  ][m.month()]
	}

	function localeMonthsShort(m, format) {
		if (!m) {
			return isArray(this._monthsShort)
				? this._monthsShort
				: this._monthsShort["standalone"]
		}
		return isArray(this._monthsShort)
			? this._monthsShort[m.month()]
			: this._monthsShort[
					MONTHS_IN_FORMAT.test(format) ? "format" : "standalone"
			  ][m.month()]
	}

	function handleStrictParse(monthName, format, strict) {
		var i,
			ii,
			mom,
			llc = monthName.toLocaleLowerCase()
		if (!this._monthsParse) {
			// this is not used
			this._monthsParse = []
			this._longMonthsParse = []
			this._shortMonthsParse = []
			for (i = 0; i < 12; ++i) {
				mom = createUTC([2000, i])
				this._shortMonthsParse[i] = this.monthsShort(
					mom,
					""
				).toLocaleLowerCase()
				this._longMonthsParse[i] = this.months(mom, "").toLocaleLowerCase()
			}
		}

		if (strict) {
			if (format === "MMM") {
				ii = indexOf.call(this._shortMonthsParse, llc)
				return ii !== -1 ? ii : null
			} else {
				ii = indexOf.call(this._longMonthsParse, llc)
				return ii !== -1 ? ii : null
			}
		} else {
			if (format === "MMM") {
				ii = indexOf.call(this._shortMonthsParse, llc)
				if (ii !== -1) {
					return ii
				}
				ii = indexOf.call(this._longMonthsParse, llc)
				return ii !== -1 ? ii : null
			} else {
				ii = indexOf.call(this._longMonthsParse, llc)
				if (ii !== -1) {
					return ii
				}
				ii = indexOf.call(this._shortMonthsParse, llc)
				return ii !== -1 ? ii : null
			}
		}
	}

	function localeMonthsParse(monthName, format, strict) {
		var i, mom, regex

		if (this._monthsParseExact) {
			return handleStrictParse.call(this, monthName, format, strict)
		}

		if (!this._monthsParse) {
			this._monthsParse = []
			this._longMonthsParse = []
			this._shortMonthsParse = []
		}

		// TODO: add sorting
		// Sorting makes sure if one month (or abbr) is a prefix of another
		// see sorting in computeMonthsParse
		for (i = 0; i < 12; i++) {
			// make the regex if we don't have it already
			mom = createUTC([2000, i])
			if (strict && !this._longMonthsParse[i]) {
				this._longMonthsParse[i] = new RegExp(
					"^" + this.months(mom, "").replace(".", "") + "$",
					"i"
				)
				this._shortMonthsParse[i] = new RegExp(
					"^" + this.monthsShort(mom, "").replace(".", "") + "$",
					"i"
				)
			}
			if (!strict && !this._monthsParse[i]) {
				regex = "^" + this.months(mom, "") + "|^" + this.monthsShort(mom, "")
				this._monthsParse[i] = new RegExp(regex.replace(".", ""), "i")
			}
			// test the regex
			if (
				strict &&
				format === "MMMM" &&
				this._longMonthsParse[i].test(monthName)
			) {
				return i
			} else if (
				strict &&
				format === "MMM" &&
				this._shortMonthsParse[i].test(monthName)
			) {
				return i
			} else if (!strict && this._monthsParse[i].test(monthName)) {
				return i
			}
		}
	}

	// MOMENTS

	function setMonth(mom, value) {
		var dayOfMonth

		if (!mom.isValid()) {
			// No op
			return mom
		}

		if (typeof value === "string") {
			if (/^\d+$/.test(value)) {
				value = toInt(value)
			} else {
				value = mom.localeData().monthsParse(value)
				// TODO: Another silent failure?
				if (!isNumber(value)) {
					return mom
				}
			}
		}

		dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value))
		mom._d["set" + (mom._isUTC ? "UTC" : "") + "Month"](value, dayOfMonth)
		return mom
	}

	function getSetMonth(value) {
		if (value != null) {
			setMonth(this, value)
			hooks.updateOffset(this, true)
			return this
		} else {
			return get(this, "Month")
		}
	}

	function getDaysInMonth() {
		return daysInMonth(this.year(), this.month())
	}

	function monthsShortRegex(isStrict) {
		if (this._monthsParseExact) {
			if (!hasOwnProp(this, "_monthsRegex")) {
				computeMonthsParse.call(this)
			}
			if (isStrict) {
				return this._monthsShortStrictRegex
			} else {
				return this._monthsShortRegex
			}
		} else {
			if (!hasOwnProp(this, "_monthsShortRegex")) {
				this._monthsShortRegex = defaultMonthsShortRegex
			}
			return this._monthsShortStrictRegex && isStrict
				? this._monthsShortStrictRegex
				: this._monthsShortRegex
		}
	}

	function monthsRegex(isStrict) {
		if (this._monthsParseExact) {
			if (!hasOwnProp(this, "_monthsRegex")) {
				computeMonthsParse.call(this)
			}
			if (isStrict) {
				return this._monthsStrictRegex
			} else {
				return this._monthsRegex
			}
		} else {
			if (!hasOwnProp(this, "_monthsRegex")) {
				this._monthsRegex = defaultMonthsRegex
			}
			return this._monthsStrictRegex && isStrict
				? this._monthsStrictRegex
				: this._monthsRegex
		}
	}

	function computeMonthsParse() {
		function cmpLenRev(a, b) {
			return b.length - a.length
		}

		var shortPieces = [],
			longPieces = [],
			mixedPieces = [],
			i,
			mom
		for (i = 0; i < 12; i++) {
			// make the regex if we don't have it already
			mom = createUTC([2000, i])
			shortPieces.push(this.monthsShort(mom, ""))
			longPieces.push(this.months(mom, ""))
			mixedPieces.push(this.months(mom, ""))
			mixedPieces.push(this.monthsShort(mom, ""))
		}
		// Sorting makes sure if one month (or abbr) is a prefix of another it
		// will match the longer piece.
		shortPieces.sort(cmpLenRev)
		longPieces.sort(cmpLenRev)
		mixedPieces.sort(cmpLenRev)
		for (i = 0; i < 12; i++) {
			shortPieces[i] = regexEscape(shortPieces[i])
			longPieces[i] = regexEscape(longPieces[i])
		}
		for (i = 0; i < 24; i++) {
			mixedPieces[i] = regexEscape(mixedPieces[i])
		}

		this._monthsRegex = new RegExp("^(" + mixedPieces.join("|") + ")", "i")
		this._monthsShortRegex = this._monthsRegex
		this._monthsStrictRegex = new RegExp("^(" + longPieces.join("|") + ")", "i")
		this._monthsShortStrictRegex = new RegExp(
			"^(" + shortPieces.join("|") + ")",
			"i"
		)
	}

	// FORMATTING

	addFormatToken("Y", 0, 0, function () {
		var y = this.year()
		return y <= 9999 ? zeroFill(y, 4) : "+" + y
	})

	addFormatToken(0, ["YY", 2], 0, function () {
		return this.year() % 100
	})

	addFormatToken(0, ["YYYY", 4], 0, "year")
	addFormatToken(0, ["YYYYY", 5], 0, "year")
	addFormatToken(0, ["YYYYYY", 6, true], 0, "year")

	// ALIASES

	addUnitAlias("year", "y")

	// PRIORITIES

	addUnitPriority("year", 1)

	// PARSING

	addRegexToken("Y", matchSigned)
	addRegexToken("YY", match1to2, match2)
	addRegexToken("YYYY", match1to4, match4)
	addRegexToken("YYYYY", match1to6, match6)
	addRegexToken("YYYYYY", match1to6, match6)

	addParseToken(["YYYYY", "YYYYYY"], YEAR)
	addParseToken("YYYY", function (input, array) {
		array[YEAR] =
			input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input)
	})
	addParseToken("YY", function (input, array) {
		array[YEAR] = hooks.parseTwoDigitYear(input)
	})
	addParseToken("Y", function (input, array) {
		array[YEAR] = parseInt(input, 10)
	})

	// HELPERS

	function daysInYear(year) {
		return isLeapYear(year) ? 366 : 365
	}

	// HOOKS

	hooks.parseTwoDigitYear = function (input) {
		return toInt(input) + (toInt(input) > 68 ? 1900 : 2000)
	}

	// MOMENTS

	var getSetYear = makeGetSet("FullYear", true)

	function getIsLeapYear() {
		return isLeapYear(this.year())
	}

	function createDate(y, m, d, h, M, s, ms) {
		// can't just apply() to create a date:
		// https://stackoverflow.com/q/181348
		var date
		// the date constructor remaps years 0-99 to 1900-1999
		if (y < 100 && y >= 0) {
			// preserve leap years using a full 400 year cycle, then reset
			date = new Date(y + 400, m, d, h, M, s, ms)
			if (isFinite(date.getFullYear())) {
				date.setFullYear(y)
			}
		} else {
			date = new Date(y, m, d, h, M, s, ms)
		}

		return date
	}

	function createUTCDate(y) {
		var date, args
		// the Date.UTC function remaps years 0-99 to 1900-1999
		if (y < 100 && y >= 0) {
			args = Array.prototype.slice.call(arguments)
			// preserve leap years using a full 400 year cycle, then reset
			args[0] = y + 400
			date = new Date(Date.UTC.apply(null, args))
			if (isFinite(date.getUTCFullYear())) {
				date.setUTCFullYear(y)
			}
		} else {
			date = new Date(Date.UTC.apply(null, arguments))
		}

		return date
	}

	// start-of-first-week - start-of-year
	function firstWeekOffset(year, dow, doy) {
		var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
			fwd = 7 + dow - doy,
			// first-week day local weekday -- which local weekday is fwd
			fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7

		return -fwdlw + fwd - 1
	}

	// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
	function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
		var localWeekday = (7 + weekday - dow) % 7,
			weekOffset = firstWeekOffset(year, dow, doy),
			dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
			resYear,
			resDayOfYear

		if (dayOfYear <= 0) {
			resYear = year - 1
			resDayOfYear = daysInYear(resYear) + dayOfYear
		} else if (dayOfYear > daysInYear(year)) {
			resYear = year + 1
			resDayOfYear = dayOfYear - daysInYear(year)
		} else {
			resYear = year
			resDayOfYear = dayOfYear
		}

		return {
			year: resYear,
			dayOfYear: resDayOfYear
		}
	}

	function weekOfYear(mom, dow, doy) {
		var weekOffset = firstWeekOffset(mom.year(), dow, doy),
			week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
			resWeek,
			resYear

		if (week < 1) {
			resYear = mom.year() - 1
			resWeek = week + weeksInYear(resYear, dow, doy)
		} else if (week > weeksInYear(mom.year(), dow, doy)) {
			resWeek = week - weeksInYear(mom.year(), dow, doy)
			resYear = mom.year() + 1
		} else {
			resYear = mom.year()
			resWeek = week
		}

		return {
			week: resWeek,
			year: resYear
		}
	}

	function weeksInYear(year, dow, doy) {
		var weekOffset = firstWeekOffset(year, dow, doy),
			weekOffsetNext = firstWeekOffset(year + 1, dow, doy)
		return (daysInYear(year) - weekOffset + weekOffsetNext) / 7
	}

	// FORMATTING

	addFormatToken("w", ["ww", 2], "wo", "week")
	addFormatToken("W", ["WW", 2], "Wo", "isoWeek")

	// ALIASES

	addUnitAlias("week", "w")
	addUnitAlias("isoWeek", "W")

	// PRIORITIES

	addUnitPriority("week", 5)
	addUnitPriority("isoWeek", 5)

	// PARSING

	addRegexToken("w", match1to2)
	addRegexToken("ww", match1to2, match2)
	addRegexToken("W", match1to2)
	addRegexToken("WW", match1to2, match2)

	addWeekParseToken(
		["w", "ww", "W", "WW"],
		function (input, week, config, token) {
			week[token.substr(0, 1)] = toInt(input)
		}
	)

	// HELPERS

	// LOCALES

	function localeWeek(mom) {
		return weekOfYear(mom, this._week.dow, this._week.doy).week
	}

	var defaultLocaleWeek = {
		dow: 0, // Sunday is the first day of the week.
		doy: 6 // The week that contains Jan 6th is the first week of the year.
	}

	function localeFirstDayOfWeek() {
		return this._week.dow
	}

	function localeFirstDayOfYear() {
		return this._week.doy
	}

	// MOMENTS

	function getSetWeek(input) {
		var week = this.localeData().week(this)
		return input == null ? week : this.add((input - week) * 7, "d")
	}

	function getSetISOWeek(input) {
		var week = weekOfYear(this, 1, 4).week
		return input == null ? week : this.add((input - week) * 7, "d")
	}

	// FORMATTING

	addFormatToken("d", 0, "do", "day")

	addFormatToken("dd", 0, 0, function (format) {
		return this.localeData().weekdaysMin(this, format)
	})

	addFormatToken("ddd", 0, 0, function (format) {
		return this.localeData().weekdaysShort(this, format)
	})

	addFormatToken("dddd", 0, 0, function (format) {
		return this.localeData().weekdays(this, format)
	})

	addFormatToken("e", 0, 0, "weekday")
	addFormatToken("E", 0, 0, "isoWeekday")

	// ALIASES

	addUnitAlias("day", "d")
	addUnitAlias("weekday", "e")
	addUnitAlias("isoWeekday", "E")

	// PRIORITY
	addUnitPriority("day", 11)
	addUnitPriority("weekday", 11)
	addUnitPriority("isoWeekday", 11)

	// PARSING

	addRegexToken("d", match1to2)
	addRegexToken("e", match1to2)
	addRegexToken("E", match1to2)
	addRegexToken("dd", function (isStrict, locale) {
		return locale.weekdaysMinRegex(isStrict)
	})
	addRegexToken("ddd", function (isStrict, locale) {
		return locale.weekdaysShortRegex(isStrict)
	})
	addRegexToken("dddd", function (isStrict, locale) {
		return locale.weekdaysRegex(isStrict)
	})

	addWeekParseToken(
		["dd", "ddd", "dddd"],
		function (input, week, config, token) {
			var weekday = config._locale.weekdaysParse(input, token, config._strict)
			// if we didn't get a weekday name, mark the date as invalid
			if (weekday != null) {
				week.d = weekday
			} else {
				getParsingFlags(config).invalidWeekday = input
			}
		}
	)

	addWeekParseToken(["d", "e", "E"], function (input, week, config, token) {
		week[token] = toInt(input)
	})

	// HELPERS

	function parseWeekday(input, locale) {
		if (typeof input !== "string") {
			return input
		}

		if (!isNaN(input)) {
			return parseInt(input, 10)
		}

		input = locale.weekdaysParse(input)
		if (typeof input === "number") {
			return input
		}

		return null
	}

	function parseIsoWeekday(input, locale) {
		if (typeof input === "string") {
			return locale.weekdaysParse(input) % 7 || 7
		}
		return isNaN(input) ? null : input
	}

	// LOCALES
	function shiftWeekdays(ws, n) {
		return ws.slice(n, 7).concat(ws.slice(0, n))
	}

	var defaultLocaleWeekdays =
			"Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday".split("_"),
		defaultLocaleWeekdaysShort = "Sun_Mon_Tue_Wed_Thu_Fri_Sat".split("_"),
		defaultLocaleWeekdaysMin = "Su_Mo_Tu_We_Th_Fr_Sa".split("_"),
		defaultWeekdaysRegex = matchWord,
		defaultWeekdaysShortRegex = matchWord,
		defaultWeekdaysMinRegex = matchWord

	function localeWeekdays(m, format) {
		var weekdays = isArray(this._weekdays)
			? this._weekdays
			: this._weekdays[
					m && m !== true && this._weekdays.isFormat.test(format)
						? "format"
						: "standalone"
			  ]
		return m === true
			? shiftWeekdays(weekdays, this._week.dow)
			: m
			? weekdays[m.day()]
			: weekdays
	}

	function localeWeekdaysShort(m) {
		return m === true
			? shiftWeekdays(this._weekdaysShort, this._week.dow)
			: m
			? this._weekdaysShort[m.day()]
			: this._weekdaysShort
	}

	function localeWeekdaysMin(m) {
		return m === true
			? shiftWeekdays(this._weekdaysMin, this._week.dow)
			: m
			? this._weekdaysMin[m.day()]
			: this._weekdaysMin
	}

	function handleStrictParse$1(weekdayName, format, strict) {
		var i,
			ii,
			mom,
			llc = weekdayName.toLocaleLowerCase()
		if (!this._weekdaysParse) {
			this._weekdaysParse = []
			this._shortWeekdaysParse = []
			this._minWeekdaysParse = []

			for (i = 0; i < 7; ++i) {
				mom = createUTC([2000, 1]).day(i)
				this._minWeekdaysParse[i] = this.weekdaysMin(
					mom,
					""
				).toLocaleLowerCase()
				this._shortWeekdaysParse[i] = this.weekdaysShort(
					mom,
					""
				).toLocaleLowerCase()
				this._weekdaysParse[i] = this.weekdays(mom, "").toLocaleLowerCase()
			}
		}

		if (strict) {
			if (format === "dddd") {
				ii = indexOf.call(this._weekdaysParse, llc)
				return ii !== -1 ? ii : null
			} else if (format === "ddd") {
				ii = indexOf.call(this._shortWeekdaysParse, llc)
				return ii !== -1 ? ii : null
			} else {
				ii = indexOf.call(this._minWeekdaysParse, llc)
				return ii !== -1 ? ii : null
			}
		} else {
			if (format === "dddd") {
				ii = indexOf.call(this._weekdaysParse, llc)
				if (ii !== -1) {
					return ii
				}
				ii = indexOf.call(this._shortWeekdaysParse, llc)
				if (ii !== -1) {
					return ii
				}
				ii = indexOf.call(this._minWeekdaysParse, llc)
				return ii !== -1 ? ii : null
			} else if (format === "ddd") {
				ii = indexOf.call(this._shortWeekdaysParse, llc)
				if (ii !== -1) {
					return ii
				}
				ii = indexOf.call(this._weekdaysParse, llc)
				if (ii !== -1) {
					return ii
				}
				ii = indexOf.call(this._minWeekdaysParse, llc)
				return ii !== -1 ? ii : null
			} else {
				ii = indexOf.call(this._minWeekdaysParse, llc)
				if (ii !== -1) {
					return ii
				}
				ii = indexOf.call(this._weekdaysParse, llc)
				if (ii !== -1) {
					return ii
				}
				ii = indexOf.call(this._shortWeekdaysParse, llc)
				return ii !== -1 ? ii : null
			}
		}
	}

	function localeWeekdaysParse(weekdayName, format, strict) {
		var i, mom, regex

		if (this._weekdaysParseExact) {
			return handleStrictParse$1.call(this, weekdayName, format, strict)
		}

		if (!this._weekdaysParse) {
			this._weekdaysParse = []
			this._minWeekdaysParse = []
			this._shortWeekdaysParse = []
			this._fullWeekdaysParse = []
		}

		for (i = 0; i < 7; i++) {
			// make the regex if we don't have it already

			mom = createUTC([2000, 1]).day(i)
			if (strict && !this._fullWeekdaysParse[i]) {
				this._fullWeekdaysParse[i] = new RegExp(
					"^" + this.weekdays(mom, "").replace(".", "\\.?") + "$",
					"i"
				)
				this._shortWeekdaysParse[i] = new RegExp(
					"^" + this.weekdaysShort(mom, "").replace(".", "\\.?") + "$",
					"i"
				)
				this._minWeekdaysParse[i] = new RegExp(
					"^" + this.weekdaysMin(mom, "").replace(".", "\\.?") + "$",
					"i"
				)
			}
			if (!this._weekdaysParse[i]) {
				regex =
					"^" +
					this.weekdays(mom, "") +
					"|^" +
					this.weekdaysShort(mom, "") +
					"|^" +
					this.weekdaysMin(mom, "")
				this._weekdaysParse[i] = new RegExp(regex.replace(".", ""), "i")
			}
			// test the regex
			if (
				strict &&
				format === "dddd" &&
				this._fullWeekdaysParse[i].test(weekdayName)
			) {
				return i
			} else if (
				strict &&
				format === "ddd" &&
				this._shortWeekdaysParse[i].test(weekdayName)
			) {
				return i
			} else if (
				strict &&
				format === "dd" &&
				this._minWeekdaysParse[i].test(weekdayName)
			) {
				return i
			} else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
				return i
			}
		}
	}

	// MOMENTS

	function getSetDayOfWeek(input) {
		if (!this.isValid()) {
			return input != null ? this : NaN
		}
		var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay()
		if (input != null) {
			input = parseWeekday(input, this.localeData())
			return this.add(input - day, "d")
		} else {
			return day
		}
	}

	function getSetLocaleDayOfWeek(input) {
		if (!this.isValid()) {
			return input != null ? this : NaN
		}
		var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7
		return input == null ? weekday : this.add(input - weekday, "d")
	}

	function getSetISODayOfWeek(input) {
		if (!this.isValid()) {
			return input != null ? this : NaN
		}

		// behaves the same as moment#day except
		// as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
		// as a setter, sunday should belong to the previous week.

		if (input != null) {
			var weekday = parseIsoWeekday(input, this.localeData())
			return this.day(this.day() % 7 ? weekday : weekday - 7)
		} else {
			return this.day() || 7
		}
	}

	function weekdaysRegex(isStrict) {
		if (this._weekdaysParseExact) {
			if (!hasOwnProp(this, "_weekdaysRegex")) {
				computeWeekdaysParse.call(this)
			}
			if (isStrict) {
				return this._weekdaysStrictRegex
			} else {
				return this._weekdaysRegex
			}
		} else {
			if (!hasOwnProp(this, "_weekdaysRegex")) {
				this._weekdaysRegex = defaultWeekdaysRegex
			}
			return this._weekdaysStrictRegex && isStrict
				? this._weekdaysStrictRegex
				: this._weekdaysRegex
		}
	}

	function weekdaysShortRegex(isStrict) {
		if (this._weekdaysParseExact) {
			if (!hasOwnProp(this, "_weekdaysRegex")) {
				computeWeekdaysParse.call(this)
			}
			if (isStrict) {
				return this._weekdaysShortStrictRegex
			} else {
				return this._weekdaysShortRegex
			}
		} else {
			if (!hasOwnProp(this, "_weekdaysShortRegex")) {
				this._weekdaysShortRegex = defaultWeekdaysShortRegex
			}
			return this._weekdaysShortStrictRegex && isStrict
				? this._weekdaysShortStrictRegex
				: this._weekdaysShortRegex
		}
	}

	function weekdaysMinRegex(isStrict) {
		if (this._weekdaysParseExact) {
			if (!hasOwnProp(this, "_weekdaysRegex")) {
				computeWeekdaysParse.call(this)
			}
			if (isStrict) {
				return this._weekdaysMinStrictRegex
			} else {
				return this._weekdaysMinRegex
			}
		} else {
			if (!hasOwnProp(this, "_weekdaysMinRegex")) {
				this._weekdaysMinRegex = defaultWeekdaysMinRegex
			}
			return this._weekdaysMinStrictRegex && isStrict
				? this._weekdaysMinStrictRegex
				: this._weekdaysMinRegex
		}
	}

	function computeWeekdaysParse() {
		function cmpLenRev(a, b) {
			return b.length - a.length
		}

		var minPieces = [],
			shortPieces = [],
			longPieces = [],
			mixedPieces = [],
			i,
			mom,
			minp,
			shortp,
			longp
		for (i = 0; i < 7; i++) {
			// make the regex if we don't have it already
			mom = createUTC([2000, 1]).day(i)
			minp = regexEscape(this.weekdaysMin(mom, ""))
			shortp = regexEscape(this.weekdaysShort(mom, ""))
			longp = regexEscape(this.weekdays(mom, ""))
			minPieces.push(minp)
			shortPieces.push(shortp)
			longPieces.push(longp)
			mixedPieces.push(minp)
			mixedPieces.push(shortp)
			mixedPieces.push(longp)
		}
		// Sorting makes sure if one weekday (or abbr) is a prefix of another it
		// will match the longer piece.
		minPieces.sort(cmpLenRev)
		shortPieces.sort(cmpLenRev)
		longPieces.sort(cmpLenRev)
		mixedPieces.sort(cmpLenRev)

		this._weekdaysRegex = new RegExp("^(" + mixedPieces.join("|") + ")", "i")
		this._weekdaysShortRegex = this._weekdaysRegex
		this._weekdaysMinRegex = this._weekdaysRegex

		this._weekdaysStrictRegex = new RegExp(
			"^(" + longPieces.join("|") + ")",
			"i"
		)
		this._weekdaysShortStrictRegex = new RegExp(
			"^(" + shortPieces.join("|") + ")",
			"i"
		)
		this._weekdaysMinStrictRegex = new RegExp(
			"^(" + minPieces.join("|") + ")",
			"i"
		)
	}

	// FORMATTING

	function hFormat() {
		return this.hours() % 12 || 12
	}

	function kFormat() {
		return this.hours() || 24
	}

	addFormatToken("H", ["HH", 2], 0, "hour")
	addFormatToken("h", ["hh", 2], 0, hFormat)
	addFormatToken("k", ["kk", 2], 0, kFormat)

	addFormatToken("hmm", 0, 0, function () {
		return "" + hFormat.apply(this) + zeroFill(this.minutes(), 2)
	})

	addFormatToken("hmmss", 0, 0, function () {
		return (
			"" +
			hFormat.apply(this) +
			zeroFill(this.minutes(), 2) +
			zeroFill(this.seconds(), 2)
		)
	})

	addFormatToken("Hmm", 0, 0, function () {
		return "" + this.hours() + zeroFill(this.minutes(), 2)
	})

	addFormatToken("Hmmss", 0, 0, function () {
		return (
			"" +
			this.hours() +
			zeroFill(this.minutes(), 2) +
			zeroFill(this.seconds(), 2)
		)
	})

	function meridiem(token, lowercase) {
		addFormatToken(token, 0, 0, function () {
			return this.localeData().meridiem(this.hours(), this.minutes(), lowercase)
		})
	}

	meridiem("a", true)
	meridiem("A", false)

	// ALIASES

	addUnitAlias("hour", "h")

	// PRIORITY
	addUnitPriority("hour", 13)

	// PARSING

	function matchMeridiem(isStrict, locale) {
		return locale._meridiemParse
	}

	addRegexToken("a", matchMeridiem)
	addRegexToken("A", matchMeridiem)
	addRegexToken("H", match1to2)
	addRegexToken("h", match1to2)
	addRegexToken("k", match1to2)
	addRegexToken("HH", match1to2, match2)
	addRegexToken("hh", match1to2, match2)
	addRegexToken("kk", match1to2, match2)

	addRegexToken("hmm", match3to4)
	addRegexToken("hmmss", match5to6)
	addRegexToken("Hmm", match3to4)
	addRegexToken("Hmmss", match5to6)

	addParseToken(["H", "HH"], HOUR)
	addParseToken(["k", "kk"], function (input, array, config) {
		var kInput = toInt(input)
		array[HOUR] = kInput === 24 ? 0 : kInput
	})
	addParseToken(["a", "A"], function (input, array, config) {
		config._isPm = config._locale.isPM(input)
		config._meridiem = input
	})
	addParseToken(["h", "hh"], function (input, array, config) {
		array[HOUR] = toInt(input)
		getParsingFlags(config).bigHour = true
	})
	addParseToken("hmm", function (input, array, config) {
		var pos = input.length - 2
		array[HOUR] = toInt(input.substr(0, pos))
		array[MINUTE] = toInt(input.substr(pos))
		getParsingFlags(config).bigHour = true
	})
	addParseToken("hmmss", function (input, array, config) {
		var pos1 = input.length - 4,
			pos2 = input.length - 2
		array[HOUR] = toInt(input.substr(0, pos1))
		array[MINUTE] = toInt(input.substr(pos1, 2))
		array[SECOND] = toInt(input.substr(pos2))
		getParsingFlags(config).bigHour = true
	})
	addParseToken("Hmm", function (input, array, config) {
		var pos = input.length - 2
		array[HOUR] = toInt(input.substr(0, pos))
		array[MINUTE] = toInt(input.substr(pos))
	})
	addParseToken("Hmmss", function (input, array, config) {
		var pos1 = input.length - 4,
			pos2 = input.length - 2
		array[HOUR] = toInt(input.substr(0, pos1))
		array[MINUTE] = toInt(input.substr(pos1, 2))
		array[SECOND] = toInt(input.substr(pos2))
	})

	// LOCALES

	function localeIsPM(input) {
		// IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
		// Using charAt should be more compatible.
		return (input + "").toLowerCase().charAt(0) === "p"
	}

	var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i,
		// Setting the hour should keep the time, because the user explicitly
		// specified which hour they want. So trying to maintain the same hour (in
		// a new timezone) makes sense. Adding/subtracting hours does not follow
		// this rule.
		getSetHour = makeGetSet("Hours", true)

	function localeMeridiem(hours, minutes, isLower) {
		if (hours > 11) {
			return isLower ? "pm" : "PM"
		} else {
			return isLower ? "am" : "AM"
		}
	}

	var baseConfig = {
		calendar: defaultCalendar,
		longDateFormat: defaultLongDateFormat,
		invalidDate: defaultInvalidDate,
		ordinal: defaultOrdinal,
		dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,
		relativeTime: defaultRelativeTime,

		months: defaultLocaleMonths,
		monthsShort: defaultLocaleMonthsShort,

		week: defaultLocaleWeek,

		weekdays: defaultLocaleWeekdays,
		weekdaysMin: defaultLocaleWeekdaysMin,
		weekdaysShort: defaultLocaleWeekdaysShort,

		meridiemParse: defaultLocaleMeridiemParse
	}

	// internal storage for locale config files
	var locales = {},
		localeFamilies = {},
		globalLocale

	function commonPrefix(arr1, arr2) {
		var i,
			minl = Math.min(arr1.length, arr2.length)
		for (i = 0; i < minl; i += 1) {
			if (arr1[i] !== arr2[i]) {
				return i
			}
		}
		return minl
	}

	function normalizeLocale(key) {
		return key ? key.toLowerCase().replace("_", "-") : key
	}

	// pick the locale from the array
	// try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
	// substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
	function chooseLocale(names) {
		var i = 0,
			j,
			next,
			locale,
			split

		while (i < names.length) {
			split = normalizeLocale(names[i]).split("-")
			j = split.length
			next = normalizeLocale(names[i + 1])
			next = next ? next.split("-") : null
			while (j > 0) {
				locale = loadLocale(split.slice(0, j).join("-"))
				if (locale) {
					return locale
				}
				if (next && next.length >= j && commonPrefix(split, next) >= j - 1) {
					//the next array item is better than a shallower substring of this one
					break
				}
				j--
			}
			i++
		}
		return globalLocale
	}

	function isLocaleNameSane(name) {
		// Prevent names that look like filesystem paths, i.e contain '/' or '\'
		return name.match("^[^/\\\\]*$") != null
	}

	function loadLocale(name) {
		var oldLocale = null,
			aliasedRequire
		// TODO: Find a better way to register and load all the locales in Node
		if (
			locales[name] === undefined &&
			typeof module !== "undefined" &&
			module &&
			module.exports &&
			isLocaleNameSane(name)
		) {
			try {
				oldLocale = globalLocale._abbr
				aliasedRequire = require
				aliasedRequire("./locale/" + name)
				getSetGlobalLocale(oldLocale)
			} catch (e) {
				// mark as not found to avoid repeating expensive file require call causing high CPU
				// when trying to find en-US, en_US, en-us for every format call
				locales[name] = null // null means not found
			}
		}
		return locales[name]
	}

	// This function will load locale and then set the global locale.  If
	// no arguments are passed in, it will simply return the current global
	// locale key.
	function getSetGlobalLocale(key, values) {
		var data
		if (key) {
			if (isUndefined(values)) {
				data = getLocale(key)
			} else {
				data = defineLocale(key, values)
			}

			if (data) {
				// moment.duration._locale = moment._locale = data;
				globalLocale = data
			} else {
				if (typeof console !== "undefined" && console.warn) {
					//warn user if arguments are passed but the locale could not be set
					console.warn(
						"Locale " + key + " not found. Did you forget to load it?"
					)
				}
			}
		}

		return globalLocale._abbr
	}

	function defineLocale(name, config) {
		if (config !== null) {
			var locale,
				parentConfig = baseConfig
			config.abbr = name
			if (locales[name] != null) {
				deprecateSimple(
					"defineLocaleOverride",
					"use moment.updateLocale(localeName, config) to change " +
						"an existing locale. moment.defineLocale(localeName, " +
						"config) should only be used for creating a new locale " +
						"See http://momentjs.com/guides/#/warnings/define-locale/ for more info."
				)
				parentConfig = locales[name]._config
			} else if (config.parentLocale != null) {
				if (locales[config.parentLocale] != null) {
					parentConfig = locales[config.parentLocale]._config
				} else {
					locale = loadLocale(config.parentLocale)
					if (locale != null) {
						parentConfig = locale._config
					} else {
						if (!localeFamilies[config.parentLocale]) {
							localeFamilies[config.parentLocale] = []
						}
						localeFamilies[config.parentLocale].push({
							name: name,
							config: config
						})
						return null
					}
				}
			}
			locales[name] = new Locale(mergeConfigs(parentConfig, config))

			if (localeFamilies[name]) {
				localeFamilies[name].forEach(function (x) {
					defineLocale(x.name, x.config)
				})
			}

			// backwards compat for now: also set the locale
			// make sure we set the locale AFTER all child locales have been
			// created, so we won't end up with the child locale set.
			getSetGlobalLocale(name)

			return locales[name]
		} else {
			// useful for testing
			delete locales[name]
			return null
		}
	}

	function updateLocale(name, config) {
		if (config != null) {
			var locale,
				tmpLocale,
				parentConfig = baseConfig

			if (locales[name] != null && locales[name].parentLocale != null) {
				// Update existing child locale in-place to avoid memory-leaks
				locales[name].set(mergeConfigs(locales[name]._config, config))
			} else {
				// MERGE
				tmpLocale = loadLocale(name)
				if (tmpLocale != null) {
					parentConfig = tmpLocale._config
				}
				config = mergeConfigs(parentConfig, config)
				if (tmpLocale == null) {
					// updateLocale is called for creating a new locale
					// Set abbr so it will have a name (getters return
					// undefined otherwise).
					config.abbr = name
				}
				locale = new Locale(config)
				locale.parentLocale = locales[name]
				locales[name] = locale
			}

			// backwards compat for now: also set the locale
			getSetGlobalLocale(name)
		} else {
			// pass null for config to unupdate, useful for tests
			if (locales[name] != null) {
				if (locales[name].parentLocale != null) {
					locales[name] = locales[name].parentLocale
					if (name === getSetGlobalLocale()) {
						getSetGlobalLocale(name)
					}
				} else if (locales[name] != null) {
					delete locales[name]
				}
			}
		}
		return locales[name]
	}

	// returns locale data
	function getLocale(key) {
		var locale

		if (key && key._locale && key._locale._abbr) {
			key = key._locale._abbr
		}

		if (!key) {
			return globalLocale
		}

		if (!isArray(key)) {
			//short-circuit everything else
			locale = loadLocale(key)
			if (locale) {
				return locale
			}
			key = [key]
		}

		return chooseLocale(key)
	}

	function listLocales() {
		return keys(locales)
	}

	function checkOverflow(m) {
		var overflow,
			a = m._a

		if (a && getParsingFlags(m).overflow === -2) {
			overflow =
				a[MONTH] < 0 || a[MONTH] > 11
					? MONTH
					: a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH])
					? DATE
					: a[HOUR] < 0 ||
					  a[HOUR] > 24 ||
					  (a[HOUR] === 24 &&
							(a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0))
					? HOUR
					: a[MINUTE] < 0 || a[MINUTE] > 59
					? MINUTE
					: a[SECOND] < 0 || a[SECOND] > 59
					? SECOND
					: a[MILLISECOND] < 0 || a[MILLISECOND] > 999
					? MILLISECOND
					: -1

			if (
				getParsingFlags(m)._overflowDayOfYear &&
				(overflow < YEAR || overflow > DATE)
			) {
				overflow = DATE
			}
			if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
				overflow = WEEK
			}
			if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
				overflow = WEEKDAY
			}

			getParsingFlags(m).overflow = overflow
		}

		return m
	}

	// iso 8601 regex
	// 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
	var extendedIsoRegex =
			/^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([+-]\d\d(?::?\d\d)?|\s*Z)?)?$/,
		basicIsoRegex =
			/^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d|))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([+-]\d\d(?::?\d\d)?|\s*Z)?)?$/,
		tzRegex = /Z|[+-]\d\d(?::?\d\d)?/,
		isoDates = [
			["YYYYYY-MM-DD", /[+-]\d{6}-\d\d-\d\d/],
			["YYYY-MM-DD", /\d{4}-\d\d-\d\d/],
			["GGGG-[W]WW-E", /\d{4}-W\d\d-\d/],
			["GGGG-[W]WW", /\d{4}-W\d\d/, false],
			["YYYY-DDD", /\d{4}-\d{3}/],
			["YYYY-MM", /\d{4}-\d\d/, false],
			["YYYYYYMMDD", /[+-]\d{10}/],
			["YYYYMMDD", /\d{8}/],
			["GGGG[W]WWE", /\d{4}W\d{3}/],
			["GGGG[W]WW", /\d{4}W\d{2}/, false],
			["YYYYDDD", /\d{7}/],
			["YYYYMM", /\d{6}/, false],
			["YYYY", /\d{4}/, false]
		],
		// iso time formats and regexes
		isoTimes = [
			["HH:mm:ss.SSSS", /\d\d:\d\d:\d\d\.\d+/],
			["HH:mm:ss,SSSS", /\d\d:\d\d:\d\d,\d+/],
			["HH:mm:ss", /\d\d:\d\d:\d\d/],
			["HH:mm", /\d\d:\d\d/],
			["HHmmss.SSSS", /\d\d\d\d\d\d\.\d+/],
			["HHmmss,SSSS", /\d\d\d\d\d\d,\d+/],
			["HHmmss", /\d\d\d\d\d\d/],
			["HHmm", /\d\d\d\d/],
			["HH", /\d\d/]
		],
		aspNetJsonRegex = /^\/?Date\((-?\d+)/i,
		// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
		rfc2822 =
			/^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/,
		obsOffsets = {
			UT: 0,
			GMT: 0,
			EDT: -4 * 60,
			EST: -5 * 60,
			CDT: -5 * 60,
			CST: -6 * 60,
			MDT: -6 * 60,
			MST: -7 * 60,
			PDT: -7 * 60,
			PST: -8 * 60
		}

	// date from iso format
	function configFromISO(config) {
		var i,
			l,
			string = config._i,
			match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
			allowTime,
			dateFormat,
			timeFormat,
			tzFormat,
			isoDatesLen = isoDates.length,
			isoTimesLen = isoTimes.length

		if (match) {
			getParsingFlags(config).iso = true
			for (i = 0, l = isoDatesLen; i < l; i++) {
				if (isoDates[i][1].exec(match[1])) {
					dateFormat = isoDates[i][0]
					allowTime = isoDates[i][2] !== false
					break
				}
			}
			if (dateFormat == null) {
				config._isValid = false
				return
			}
			if (match[3]) {
				for (i = 0, l = isoTimesLen; i < l; i++) {
					if (isoTimes[i][1].exec(match[3])) {
						// match[2] should be 'T' or space
						timeFormat = (match[2] || " ") + isoTimes[i][0]
						break
					}
				}
				if (timeFormat == null) {
					config._isValid = false
					return
				}
			}
			if (!allowTime && timeFormat != null) {
				config._isValid = false
				return
			}
			if (match[4]) {
				if (tzRegex.exec(match[4])) {
					tzFormat = "Z"
				} else {
					config._isValid = false
					return
				}
			}
			config._f = dateFormat + (timeFormat || "") + (tzFormat || "")
			configFromStringAndFormat(config)
		} else {
			config._isValid = false
		}
	}

	function extractFromRFC2822Strings(
		yearStr,
		monthStr,
		dayStr,
		hourStr,
		minuteStr,
		secondStr
	) {
		var result = [
			untruncateYear(yearStr),
			defaultLocaleMonthsShort.indexOf(monthStr),
			parseInt(dayStr, 10),
			parseInt(hourStr, 10),
			parseInt(minuteStr, 10)
		]

		if (secondStr) {
			result.push(parseInt(secondStr, 10))
		}

		return result
	}

	function untruncateYear(yearStr) {
		var year = parseInt(yearStr, 10)
		if (year <= 49) {
			return 2000 + year
		} else if (year <= 999) {
			return 1900 + year
		}
		return year
	}

	function preprocessRFC2822(s) {
		// Remove comments and folding whitespace and replace multiple-spaces with a single space
		return s
			.replace(/\([^()]*\)|[\n\t]/g, " ")
			.replace(/(\s\s+)/g, " ")
			.replace(/^\s\s*/, "")
			.replace(/\s\s*$/, "")
	}

	function checkWeekday(weekdayStr, parsedInput, config) {
		if (weekdayStr) {
			// TODO: Replace the vanilla JS Date object with an independent day-of-week check.
			var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr),
				weekdayActual = new Date(
					parsedInput[0],
					parsedInput[1],
					parsedInput[2]
				).getDay()
			if (weekdayProvided !== weekdayActual) {
				getParsingFlags(config).weekdayMismatch = true
				config._isValid = false
				return false
			}
		}
		return true
	}

	function calculateOffset(obsOffset, militaryOffset, numOffset) {
		if (obsOffset) {
			return obsOffsets[obsOffset]
		} else if (militaryOffset) {
			// the only allowed military tz is Z
			return 0
		} else {
			var hm = parseInt(numOffset, 10),
				m = hm % 100,
				h = (hm - m) / 100
			return h * 60 + m
		}
	}

	// date and time from ref 2822 format
	function configFromRFC2822(config) {
		var match = rfc2822.exec(preprocessRFC2822(config._i)),
			parsedArray
		if (match) {
			parsedArray = extractFromRFC2822Strings(
				match[4],
				match[3],
				match[2],
				match[5],
				match[6],
				match[7]
			)
			if (!checkWeekday(match[1], parsedArray, config)) {
				return
			}

			config._a = parsedArray
			config._tzm = calculateOffset(match[8], match[9], match[10])

			config._d = createUTCDate.apply(null, config._a)
			config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm)

			getParsingFlags(config).rfc2822 = true
		} else {
			config._isValid = false
		}
	}

	// date from 1) ASP.NET, 2) ISO, 3) RFC 2822 formats, or 4) optional fallback if parsing isn't strict
	function configFromString(config) {
		var matched = aspNetJsonRegex.exec(config._i)
		if (matched !== null) {
			config._d = new Date(+matched[1])
			return
		}

		configFromISO(config)
		if (config._isValid === false) {
			delete config._isValid
		} else {
			return
		}

		configFromRFC2822(config)
		if (config._isValid === false) {
			delete config._isValid
		} else {
			return
		}

		if (config._strict) {
			config._isValid = false
		} else {
			// Final attempt, use Input Fallback
			hooks.createFromInputFallback(config)
		}
	}

	hooks.createFromInputFallback = deprecate(
		"value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), " +
			"which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are " +
			"discouraged. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.",
		function (config) {
			config._d = new Date(config._i + (config._useUTC ? " UTC" : ""))
		}
	)

	// Pick the first defined of two or three arguments.
	function defaults(a, b, c) {
		if (a != null) {
			return a
		}
		if (b != null) {
			return b
		}
		return c
	}

	function currentDateArray(config) {
		// hooks is actually the exported moment object
		var nowValue = new Date(hooks.now())
		if (config._useUTC) {
			return [
				nowValue.getUTCFullYear(),
				nowValue.getUTCMonth(),
				nowValue.getUTCDate()
			]
		}
		return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()]
	}

	// convert an array to a date.
	// the array should mirror the parameters below
	// note: all values past the year are optional and will default to the lowest possible value.
	// [year, month, day , hour, minute, second, millisecond]
	function configFromArray(config) {
		var i,
			date,
			input = [],
			currentDate,
			expectedWeekday,
			yearToUse

		if (config._d) {
			return
		}

		currentDate = currentDateArray(config)

		//compute day of the year from weeks and weekdays
		if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
			dayOfYearFromWeekInfo(config)
		}

		//if the day of the year is set, figure out what it is
		if (config._dayOfYear != null) {
			yearToUse = defaults(config._a[YEAR], currentDate[YEAR])

			if (
				config._dayOfYear > daysInYear(yearToUse) ||
				config._dayOfYear === 0
			) {
				getParsingFlags(config)._overflowDayOfYear = true
			}

			date = createUTCDate(yearToUse, 0, config._dayOfYear)
			config._a[MONTH] = date.getUTCMonth()
			config._a[DATE] = date.getUTCDate()
		}

		// Default to current date.
		// * if no year, month, day of month are given, default to today
		// * if day of month is given, default month and year
		// * if month is given, default only year
		// * if year is given, don't default anything
		for (i = 0; i < 3 && config._a[i] == null; ++i) {
			config._a[i] = input[i] = currentDate[i]
		}

		// Zero out whatever was not defaulted, including time
		for (; i < 7; i++) {
			config._a[i] = input[i] =
				config._a[i] == null ? (i === 2 ? 1 : 0) : config._a[i]
		}

		// Check for 24:00:00.000
		if (
			config._a[HOUR] === 24 &&
			config._a[MINUTE] === 0 &&
			config._a[SECOND] === 0 &&
			config._a[MILLISECOND] === 0
		) {
			config._nextDay = true
			config._a[HOUR] = 0
		}

		config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input)
		expectedWeekday = config._useUTC
			? config._d.getUTCDay()
			: config._d.getDay()

		// Apply timezone offset from input. The actual utcOffset can be changed
		// with parseZone.
		if (config._tzm != null) {
			config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm)
		}

		if (config._nextDay) {
			config._a[HOUR] = 24
		}

		// check for mismatching day of week
		if (
			config._w &&
			typeof config._w.d !== "undefined" &&
			config._w.d !== expectedWeekday
		) {
			getParsingFlags(config).weekdayMismatch = true
		}
	}

	function dayOfYearFromWeekInfo(config) {
		var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow, curWeek

		w = config._w
		if (w.GG != null || w.W != null || w.E != null) {
			dow = 1
			doy = 4

			// TODO: We need to take the current isoWeekYear, but that depends on
			// how we interpret now (local, utc, fixed offset). So create
			// a now version of current config (take local/utc/offset flags, and
			// create now).
			weekYear = defaults(
				w.GG,
				config._a[YEAR],
				weekOfYear(createLocal(), 1, 4).year
			)
			week = defaults(w.W, 1)
			weekday = defaults(w.E, 1)
			if (weekday < 1 || weekday > 7) {
				weekdayOverflow = true
			}
		} else {
			dow = config._locale._week.dow
			doy = config._locale._week.doy

			curWeek = weekOfYear(createLocal(), dow, doy)

			weekYear = defaults(w.gg, config._a[YEAR], curWeek.year)

			// Default to current week.
			week = defaults(w.w, curWeek.week)

			if (w.d != null) {
				// weekday -- low day numbers are considered next week
				weekday = w.d
				if (weekday < 0 || weekday > 6) {
					weekdayOverflow = true
				}
			} else if (w.e != null) {
				// local weekday -- counting starts from beginning of week
				weekday = w.e + dow
				if (w.e < 0 || w.e > 6) {
					weekdayOverflow = true
				}
			} else {
				// default to beginning of week
				weekday = dow
			}
		}
		if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
			getParsingFlags(config)._overflowWeeks = true
		} else if (weekdayOverflow != null) {
			getParsingFlags(config)._overflowWeekday = true
		} else {
			temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy)
			config._a[YEAR] = temp.year
			config._dayOfYear = temp.dayOfYear
		}
	}

	// constant that refers to the ISO standard
	hooks.ISO_8601 = function () {}

	// constant that refers to the RFC 2822 form
	hooks.RFC_2822 = function () {}

	// date from string and format string
	function configFromStringAndFormat(config) {
		// TODO: Move this to another part of the creation flow to prevent circular deps
		if (config._f === hooks.ISO_8601) {
			configFromISO(config)
			return
		}
		if (config._f === hooks.RFC_2822) {
			configFromRFC2822(config)
			return
		}
		config._a = []
		getParsingFlags(config).empty = true

		// This array is used to make a Date, either with `new Date` or `Date.UTC`
		var string = "" + config._i,
			i,
			parsedInput,
			tokens,
			token,
			skipped,
			stringLength = string.length,
			totalParsedInputLength = 0,
			era,
			tokenLen

		tokens =
			expandFormat(config._f, config._locale).match(formattingTokens) || []
		tokenLen = tokens.length
		for (i = 0; i < tokenLen; i++) {
			token = tokens[i]
			parsedInput = (string.match(getParseRegexForToken(token, config)) ||
				[])[0]
			if (parsedInput) {
				skipped = string.substr(0, string.indexOf(parsedInput))
				if (skipped.length > 0) {
					getParsingFlags(config).unusedInput.push(skipped)
				}
				string = string.slice(string.indexOf(parsedInput) + parsedInput.length)
				totalParsedInputLength += parsedInput.length
			}
			// don't parse if it's not a known token
			if (formatTokenFunctions[token]) {
				if (parsedInput) {
					getParsingFlags(config).empty = false
				} else {
					getParsingFlags(config).unusedTokens.push(token)
				}
				addTimeToArrayFromToken(token, parsedInput, config)
			} else if (config._strict && !parsedInput) {
				getParsingFlags(config).unusedTokens.push(token)
			}
		}

		// add remaining unparsed input length to the string
		getParsingFlags(config).charsLeftOver =
			stringLength - totalParsedInputLength
		if (string.length > 0) {
			getParsingFlags(config).unusedInput.push(string)
		}

		// clear _12h flag if hour is <= 12
		if (
			config._a[HOUR] <= 12 &&
			getParsingFlags(config).bigHour === true &&
			config._a[HOUR] > 0
		) {
			getParsingFlags(config).bigHour = undefined
		}

		getParsingFlags(config).parsedDateParts = config._a.slice(0)
		getParsingFlags(config).meridiem = config._meridiem
		// handle meridiem
		config._a[HOUR] = meridiemFixWrap(
			config._locale,
			config._a[HOUR],
			config._meridiem
		)

		// handle era
		era = getParsingFlags(config).era
		if (era !== null) {
			config._a[YEAR] = config._locale.erasConvertYear(era, config._a[YEAR])
		}

		configFromArray(config)
		checkOverflow(config)
	}

	function meridiemFixWrap(locale, hour, meridiem) {
		var isPm

		if (meridiem == null) {
			// nothing to do
			return hour
		}
		if (locale.meridiemHour != null) {
			return locale.meridiemHour(hour, meridiem)
		} else if (locale.isPM != null) {
			// Fallback
			isPm = locale.isPM(meridiem)
			if (isPm && hour < 12) {
				hour += 12
			}
			if (!isPm && hour === 12) {
				hour = 0
			}
			return hour
		} else {
			// this is not supposed to happen
			return hour
		}
	}

	// date from string and array of format strings
	function configFromStringAndArray(config) {
		var tempConfig,
			bestMoment,
			scoreToBeat,
			i,
			currentScore,
			validFormatFound,
			bestFormatIsValid = false,
			configfLen = config._f.length

		if (configfLen === 0) {
			getParsingFlags(config).invalidFormat = true
			config._d = new Date(NaN)
			return
		}

		for (i = 0; i < configfLen; i++) {
			currentScore = 0
			validFormatFound = false
			tempConfig = copyConfig({}, config)
			if (config._useUTC != null) {
				tempConfig._useUTC = config._useUTC
			}
			tempConfig._f = config._f[i]
			configFromStringAndFormat(tempConfig)

			if (isValid(tempConfig)) {
				validFormatFound = true
			}

			// if there is any input that was not parsed add a penalty for that format
			currentScore += getParsingFlags(tempConfig).charsLeftOver

			//or tokens
			currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10

			getParsingFlags(tempConfig).score = currentScore

			if (!bestFormatIsValid) {
				if (
					scoreToBeat == null ||
					currentScore < scoreToBeat ||
					validFormatFound
				) {
					scoreToBeat = currentScore
					bestMoment = tempConfig
					if (validFormatFound) {
						bestFormatIsValid = true
					}
				}
			} else {
				if (currentScore < scoreToBeat) {
					scoreToBeat = currentScore
					bestMoment = tempConfig
				}
			}
		}

		extend(config, bestMoment || tempConfig)
	}

	function configFromObject(config) {
		if (config._d) {
			return
		}

		var i = normalizeObjectUnits(config._i),
			dayOrDate = i.day === undefined ? i.date : i.day
		config._a = map(
			[i.year, i.month, dayOrDate, i.hour, i.minute, i.second, i.millisecond],
			function (obj) {
				return obj && parseInt(obj, 10)
			}
		)

		configFromArray(config)
	}

	function createFromConfig(config) {
		var res = new Moment(checkOverflow(prepareConfig(config)))
		if (res._nextDay) {
			// Adding is smart enough around DST
			res.add(1, "d")
			res._nextDay = undefined
		}

		return res
	}

	function prepareConfig(config) {
		var input = config._i,
			format = config._f

		config._locale = config._locale || getLocale(config._l)

		if (input === null || (format === undefined && input === "")) {
			return createInvalid({ nullInput: true })
		}

		if (typeof input === "string") {
			config._i = input = config._locale.preparse(input)
		}

		if (isMoment(input)) {
			return new Moment(checkOverflow(input))
		} else if (isDate(input)) {
			config._d = input
		} else if (isArray(format)) {
			configFromStringAndArray(config)
		} else if (format) {
			configFromStringAndFormat(config)
		} else {
			configFromInput(config)
		}

		if (!isValid(config)) {
			config._d = null
		}

		return config
	}

	function configFromInput(config) {
		var input = config._i
		if (isUndefined(input)) {
			config._d = new Date(hooks.now())
		} else if (isDate(input)) {
			config._d = new Date(input.valueOf())
		} else if (typeof input === "string") {
			configFromString(config)
		} else if (isArray(input)) {
			config._a = map(input.slice(0), function (obj) {
				return parseInt(obj, 10)
			})
			configFromArray(config)
		} else if (isObject(input)) {
			configFromObject(config)
		} else if (isNumber(input)) {
			// from milliseconds
			config._d = new Date(input)
		} else {
			hooks.createFromInputFallback(config)
		}
	}

	function createLocalOrUTC(input, format, locale, strict, isUTC) {
		var c = {}

		if (format === true || format === false) {
			strict = format
			format = undefined
		}

		if (locale === true || locale === false) {
			strict = locale
			locale = undefined
		}

		if (
			(isObject(input) && isObjectEmpty(input)) ||
			(isArray(input) && input.length === 0)
		) {
			input = undefined
		}
		// object construction must be done this way.
		// https://github.com/moment/moment/issues/1423
		c._isAMomentObject = true
		c._useUTC = c._isUTC = isUTC
		c._l = locale
		c._i = input
		c._f = format
		c._strict = strict

		return createFromConfig(c)
	}

	function createLocal(input, format, locale, strict) {
		return createLocalOrUTC(input, format, locale, strict, false)
	}

	var prototypeMin = deprecate(
			"moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/",
			function () {
				var other = createLocal.apply(null, arguments)
				if (this.isValid() && other.isValid()) {
					return other < this ? this : other
				} else {
					return createInvalid()
				}
			}
		),
		prototypeMax = deprecate(
			"moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/",
			function () {
				var other = createLocal.apply(null, arguments)
				if (this.isValid() && other.isValid()) {
					return other > this ? this : other
				} else {
					return createInvalid()
				}
			}
		)

	// Pick a moment m from moments so that m[fn](other) is true for all
	// other. This relies on the function fn to be transitive.
	//
	// moments should either be an array of moment objects or an array, whose
	// first element is an array of moment objects.
	function pickBy(fn, moments) {
		var res, i
		if (moments.length === 1 && isArray(moments[0])) {
			moments = moments[0]
		}
		if (!moments.length) {
			return createLocal()
		}
		res = moments[0]
		for (i = 1; i < moments.length; ++i) {
			if (!moments[i].isValid() || moments[i][fn](res)) {
				res = moments[i]
			}
		}
		return res
	}

	// TODO: Use [].sort instead?
	function min() {
		var args = [].slice.call(arguments, 0)

		return pickBy("isBefore", args)
	}

	function max() {
		var args = [].slice.call(arguments, 0)

		return pickBy("isAfter", args)
	}

	var now = function () {
		return Date.now ? Date.now() : +new Date()
	}

	var ordering = [
		"year",
		"quarter",
		"month",
		"week",
		"day",
		"hour",
		"minute",
		"second",
		"millisecond"
	]

	function isDurationValid(m) {
		var key,
			unitHasDecimal = false,
			i,
			orderLen = ordering.length
		for (key in m) {
			if (
				hasOwnProp(m, key) &&
				!(
					indexOf.call(ordering, key) !== -1 &&
					(m[key] == null || !isNaN(m[key]))
				)
			) {
				return false
			}
		}

		for (i = 0; i < orderLen; ++i) {
			if (m[ordering[i]]) {
				if (unitHasDecimal) {
					return false // only allow non-integers for smallest unit
				}
				if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {
					unitHasDecimal = true
				}
			}
		}

		return true
	}

	function isValid$1() {
		return this._isValid
	}

	function createInvalid$1() {
		return createDuration(NaN)
	}

	function Duration(duration) {
		var normalizedInput = normalizeObjectUnits(duration),
			years = normalizedInput.year || 0,
			quarters = normalizedInput.quarter || 0,
			months = normalizedInput.month || 0,
			weeks = normalizedInput.week || normalizedInput.isoWeek || 0,
			days = normalizedInput.day || 0,
			hours = normalizedInput.hour || 0,
			minutes = normalizedInput.minute || 0,
			seconds = normalizedInput.second || 0,
			milliseconds = normalizedInput.millisecond || 0

		this._isValid = isDurationValid(normalizedInput)

		// representation for dateAddRemove
		this._milliseconds =
			+milliseconds +
			seconds * 1e3 + // 1000
			minutes * 6e4 + // 1000 * 60
			hours * 1000 * 60 * 60 //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
		// Because of dateAddRemove treats 24 hours as different from a
		// day when working around DST, we need to store them separately
		this._days = +days + weeks * 7
		// It is impossible to translate months into days without knowing
		// which months you are are talking about, so we have to store
		// it separately.
		this._months = +months + quarters * 3 + years * 12

		this._data = {}

		this._locale = getLocale()

		this._bubble()
	}

	function isDuration(obj) {
		return obj instanceof Duration
	}

	function absRound(number) {
		if (number < 0) {
			return Math.round(-1 * number) * -1
		} else {
			return Math.round(number)
		}
	}

	// compare two arrays, return the number of differences
	function compareArrays(array1, array2, dontConvert) {
		var len = Math.min(array1.length, array2.length),
			lengthDiff = Math.abs(array1.length - array2.length),
			diffs = 0,
			i
		for (i = 0; i < len; i++) {
			if (
				(dontConvert && array1[i] !== array2[i]) ||
				(!dontConvert && toInt(array1[i]) !== toInt(array2[i]))
			) {
				diffs++
			}
		}
		return diffs + lengthDiff
	}

	// FORMATTING

	function offset(token, separator) {
		addFormatToken(token, 0, 0, function () {
			var offset = this.utcOffset(),
				sign = "+"
			if (offset < 0) {
				offset = -offset
				sign = "-"
			}
			return (
				sign +
				zeroFill(~~(offset / 60), 2) +
				separator +
				zeroFill(~~offset % 60, 2)
			)
		})
	}

	offset("Z", ":")
	offset("ZZ", "")

	// PARSING

	addRegexToken("Z", matchShortOffset)
	addRegexToken("ZZ", matchShortOffset)
	addParseToken(["Z", "ZZ"], function (input, array, config) {
		config._useUTC = true
		config._tzm = offsetFromString(matchShortOffset, input)
	})

	// HELPERS

	// timezone chunker
	// '+10:00' > ['10',  '00']
	// '-1530'  > ['-15', '30']
	var chunkOffset = /([\+\-]|\d\d)/gi

	function offsetFromString(matcher, string) {
		var matches = (string || "").match(matcher),
			chunk,
			parts,
			minutes

		if (matches === null) {
			return null
		}

		chunk = matches[matches.length - 1] || []
		parts = (chunk + "").match(chunkOffset) || ["-", 0, 0]
		minutes = +(parts[1] * 60) + toInt(parts[2])

		return minutes === 0 ? 0 : parts[0] === "+" ? minutes : -minutes
	}

	// Return a moment from input, that is local/utc/zone equivalent to model.
	function cloneWithOffset(input, model) {
		var res, diff
		if (model._isUTC) {
			res = model.clone()
			diff =
				(isMoment(input) || isDate(input)
					? input.valueOf()
					: createLocal(input).valueOf()) - res.valueOf()
			// Use low-level api, because this fn is low-level api.
			res._d.setTime(res._d.valueOf() + diff)
			hooks.updateOffset(res, false)
			return res
		} else {
			return createLocal(input).local()
		}
	}

	function getDateOffset(m) {
		// On Firefox.24 Date#getTimezoneOffset returns a floating point.
		// https://github.com/moment/moment/pull/1871
		return -Math.round(m._d.getTimezoneOffset())
	}

	// HOOKS

	// This function will be called whenever a moment is mutated.
	// It is intended to keep the offset in sync with the timezone.
	hooks.updateOffset = function () {}

	// MOMENTS

	// keepLocalTime = true means only change the timezone, without
	// affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
	// 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
	// +0200, so we adjust the time as needed, to be valid.
	//
	// Keeping the time actually adds/subtracts (one hour)
	// from the actual represented time. That is why we call updateOffset
	// a second time. In case it wants us to change the offset again
	// _changeInProgress == true case, then we have to adjust, because
	// there is no such time in the given timezone.
	function getSetOffset(input, keepLocalTime, keepMinutes) {
		var offset = this._offset || 0,
			localAdjust
		if (!this.isValid()) {
			return input != null ? this : NaN
		}
		if (input != null) {
			if (typeof input === "string") {
				input = offsetFromString(matchShortOffset, input)
				if (input === null) {
					return this
				}
			} else if (Math.abs(input) < 16 && !keepMinutes) {
				input = input * 60
			}
			if (!this._isUTC && keepLocalTime) {
				localAdjust = getDateOffset(this)
			}
			this._offset = input
			this._isUTC = true
			if (localAdjust != null) {
				this.add(localAdjust, "m")
			}
			if (offset !== input) {
				if (!keepLocalTime || this._changeInProgress) {
					addSubtract(this, createDuration(input - offset, "m"), 1, false)
				} else if (!this._changeInProgress) {
					this._changeInProgress = true
					hooks.updateOffset(this, true)
					this._changeInProgress = null
				}
			}
			return this
		} else {
			return this._isUTC ? offset : getDateOffset(this)
		}
	}

	function getSetZone(input, keepLocalTime) {
		if (input != null) {
			if (typeof input !== "string") {
				input = -input
			}

			this.utcOffset(input, keepLocalTime)

			return this
		} else {
			return -this.utcOffset()
		}
	}

	function setOffsetToUTC(keepLocalTime) {
		return this.utcOffset(0, keepLocalTime)
	}

	function setOffsetToLocal(keepLocalTime) {
		if (this._isUTC) {
			this.utcOffset(0, keepLocalTime)
			this._isUTC = false

			if (keepLocalTime) {
				this.subtract(getDateOffset(this), "m")
			}
		}
		return this
	}

	function setOffsetToParsedOffset() {
		if (this._tzm != null) {
			this.utcOffset(this._tzm, false, true)
		} else if (typeof this._i === "string") {
			var tZone = offsetFromString(matchOffset, this._i)
			if (tZone != null) {
				this.utcOffset(tZone)
			} else {
				this.utcOffset(0, true)
			}
		}
		return this
	}

	function hasAlignedHourOffset(input) {
		if (!this.isValid()) {
			return false
		}
		input = input ? createLocal(input).utcOffset() : 0

		return (this.utcOffset() - input) % 60 === 0
	}

	function isDaylightSavingTime() {
		return (
			this.utcOffset() > this.clone().month(0).utcOffset() ||
			this.utcOffset() > this.clone().month(5).utcOffset()
		)
	}

	function isDaylightSavingTimeShifted() {
		if (!isUndefined(this._isDSTShifted)) {
			return this._isDSTShifted
		}

		var c = {},
			other

		copyConfig(c, this)
		c = prepareConfig(c)

		if (c._a) {
			other = c._isUTC ? createUTC(c._a) : createLocal(c._a)
			this._isDSTShifted =
				this.isValid() && compareArrays(c._a, other.toArray()) > 0
		} else {
			this._isDSTShifted = false
		}

		return this._isDSTShifted
	}

	function isLocal() {
		return this.isValid() ? !this._isUTC : false
	}

	function isUtcOffset() {
		return this.isValid() ? this._isUTC : false
	}

	function isUtc() {
		return this.isValid() ? this._isUTC && this._offset === 0 : false
	}

	// ASP.NET json date format regex
	var aspNetRegex = /^(-|\+)?(?:(\d*)[. ])?(\d+):(\d+)(?::(\d+)(\.\d*)?)?$/,
		// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
		// somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
		// and further modified to allow for strings containing both week and day
		isoRegex =
			/^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/

	function createDuration(input, key) {
		var duration = input,
			// matching against regexp is expensive, do it on demand
			match = null,
			sign,
			ret,
			diffRes

		if (isDuration(input)) {
			duration = {
				ms: input._milliseconds,
				d: input._days,
				M: input._months
			}
		} else if (isNumber(input) || !isNaN(+input)) {
			duration = {}
			if (key) {
				duration[key] = +input
			} else {
				duration.milliseconds = +input
			}
		} else if ((match = aspNetRegex.exec(input))) {
			sign = match[1] === "-" ? -1 : 1
			duration = {
				y: 0,
				d: toInt(match[DATE]) * sign,
				h: toInt(match[HOUR]) * sign,
				m: toInt(match[MINUTE]) * sign,
				s: toInt(match[SECOND]) * sign,
				ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match
			}
		} else if ((match = isoRegex.exec(input))) {
			sign = match[1] === "-" ? -1 : 1
			duration = {
				y: parseIso(match[2], sign),
				M: parseIso(match[3], sign),
				w: parseIso(match[4], sign),
				d: parseIso(match[5], sign),
				h: parseIso(match[6], sign),
				m: parseIso(match[7], sign),
				s: parseIso(match[8], sign)
			}
		} else if (duration == null) {
			// checks for null or undefined
			duration = {}
		} else if (
			typeof duration === "object" &&
			("from" in duration || "to" in duration)
		) {
			diffRes = momentsDifference(
				createLocal(duration.from),
				createLocal(duration.to)
			)

			duration = {}
			duration.ms = diffRes.milliseconds
			duration.M = diffRes.months
		}

		ret = new Duration(duration)

		if (isDuration(input) && hasOwnProp(input, "_locale")) {
			ret._locale = input._locale
		}

		if (isDuration(input) && hasOwnProp(input, "_isValid")) {
			ret._isValid = input._isValid
		}

		return ret
	}

	createDuration.fn = Duration.prototype
	createDuration.invalid = createInvalid$1

	function parseIso(inp, sign) {
		// We'd normally use ~~inp for this, but unfortunately it also
		// converts floats to ints.
		// inp may be undefined, so careful calling replace on it.
		var res = inp && parseFloat(inp.replace(",", "."))
		// apply sign while we're at it
		return (isNaN(res) ? 0 : res) * sign
	}

	function positiveMomentsDifference(base, other) {
		var res = {}

		res.months =
			other.month() - base.month() + (other.year() - base.year()) * 12
		if (base.clone().add(res.months, "M").isAfter(other)) {
			--res.months
		}

		res.milliseconds = +other - +base.clone().add(res.months, "M")

		return res
	}

	function momentsDifference(base, other) {
		var res
		if (!(base.isValid() && other.isValid())) {
			return { milliseconds: 0, months: 0 }
		}

		other = cloneWithOffset(other, base)
		if (base.isBefore(other)) {
			res = positiveMomentsDifference(base, other)
		} else {
			res = positiveMomentsDifference(other, base)
			res.milliseconds = -res.milliseconds
			res.months = -res.months
		}

		return res
	}

	// TODO: remove 'name' arg after deprecation is removed
	function createAdder(direction, name) {
		return function (val, period) {
			var dur, tmp
			//invert the arguments, but complain about it
			if (period !== null && !isNaN(+period)) {
				deprecateSimple(
					name,
					"moment()." +
						name +
						"(period, number) is deprecated. Please use moment()." +
						name +
						"(number, period). " +
						"See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info."
				)
				tmp = val
				val = period
				period = tmp
			}

			dur = createDuration(val, period)
			addSubtract(this, dur, direction)
			return this
		}
	}

	function addSubtract(mom, duration, isAdding, updateOffset) {
		var milliseconds = duration._milliseconds,
			days = absRound(duration._days),
			months = absRound(duration._months)

		if (!mom.isValid()) {
			// No op
			return
		}

		updateOffset = updateOffset == null ? true : updateOffset

		if (months) {
			setMonth(mom, get(mom, "Month") + months * isAdding)
		}
		if (days) {
			set$1(mom, "Date", get(mom, "Date") + days * isAdding)
		}
		if (milliseconds) {
			mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding)
		}
		if (updateOffset) {
			hooks.updateOffset(mom, days || months)
		}
	}

	var add = createAdder(1, "add"),
		subtract = createAdder(-1, "subtract")

	function isString(input) {
		return typeof input === "string" || input instanceof String
	}

	// type MomentInput = Moment | Date | string | number | (number | string)[] | MomentInputObject | void; // null | undefined
	function isMomentInput(input) {
		return (
			isMoment(input) ||
			isDate(input) ||
			isString(input) ||
			isNumber(input) ||
			isNumberOrStringArray(input) ||
			isMomentInputObject(input) ||
			input === null ||
			input === undefined
		)
	}

	function isMomentInputObject(input) {
		var objectTest = isObject(input) && !isObjectEmpty(input),
			propertyTest = false,
			properties = [
				"years",
				"year",
				"y",
				"months",
				"month",
				"M",
				"days",
				"day",
				"d",
				"dates",
				"date",
				"D",
				"hours",
				"hour",
				"h",
				"minutes",
				"minute",
				"m",
				"seconds",
				"second",
				"s",
				"milliseconds",
				"millisecond",
				"ms"
			],
			i,
			property,
			propertyLen = properties.length

		for (i = 0; i < propertyLen; i += 1) {
			property = properties[i]
			propertyTest = propertyTest || hasOwnProp(input, property)
		}

		return objectTest && propertyTest
	}

	function isNumberOrStringArray(input) {
		var arrayTest = isArray(input),
			dataTypeTest = false
		if (arrayTest) {
			dataTypeTest =
				input.filter(function (item) {
					return !isNumber(item) && isString(input)
				}).length === 0
		}
		return arrayTest && dataTypeTest
	}

	function isCalendarSpec(input) {
		var objectTest = isObject(input) && !isObjectEmpty(input),
			propertyTest = false,
			properties = [
				"sameDay",
				"nextDay",
				"lastDay",
				"nextWeek",
				"lastWeek",
				"sameElse"
			],
			i,
			property

		for (i = 0; i < properties.length; i += 1) {
			property = properties[i]
			propertyTest = propertyTest || hasOwnProp(input, property)
		}

		return objectTest && propertyTest
	}

	function getCalendarFormat(myMoment, now) {
		var diff = myMoment.diff(now, "days", true)
		return diff < -6
			? "sameElse"
			: diff < -1
			? "lastWeek"
			: diff < 0
			? "lastDay"
			: diff < 1
			? "sameDay"
			: diff < 2
			? "nextDay"
			: diff < 7
			? "nextWeek"
			: "sameElse"
	}

	function calendar$1(time, formats) {
		// Support for single parameter, formats only overload to the calendar function
		if (arguments.length === 1) {
			if (!arguments[0]) {
				time = undefined
				formats = undefined
			} else if (isMomentInput(arguments[0])) {
				time = arguments[0]
				formats = undefined
			} else if (isCalendarSpec(arguments[0])) {
				formats = arguments[0]
				time = undefined
			}
		}
		// We want to compare the start of today, vs this.
		// Getting start-of-today depends on whether we're local/utc/offset or not.
		var now = time || createLocal(),
			sod = cloneWithOffset(now, this).startOf("day"),
			format = hooks.calendarFormat(this, sod) || "sameElse",
			output =
				formats &&
				(isFunction(formats[format])
					? formats[format].call(this, now)
					: formats[format])

		return this.format(
			output || this.localeData().calendar(format, this, createLocal(now))
		)
	}

	function clone() {
		return new Moment(this)
	}

	function isAfter(input, units) {
		var localInput = isMoment(input) ? input : createLocal(input)
		if (!(this.isValid() && localInput.isValid())) {
			return false
		}
		units = normalizeUnits(units) || "millisecond"
		if (units === "millisecond") {
			return this.valueOf() > localInput.valueOf()
		} else {
			return localInput.valueOf() < this.clone().startOf(units).valueOf()
		}
	}

	function isBefore(input, units) {
		var localInput = isMoment(input) ? input : createLocal(input)
		if (!(this.isValid() && localInput.isValid())) {
			return false
		}
		units = normalizeUnits(units) || "millisecond"
		if (units === "millisecond") {
			return this.valueOf() < localInput.valueOf()
		} else {
			return this.clone().endOf(units).valueOf() < localInput.valueOf()
		}
	}

	function isBetween(from, to, units, inclusivity) {
		var localFrom = isMoment(from) ? from : createLocal(from),
			localTo = isMoment(to) ? to : createLocal(to)
		if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) {
			return false
		}
		inclusivity = inclusivity || "()"
		return (
			(inclusivity[0] === "("
				? this.isAfter(localFrom, units)
				: !this.isBefore(localFrom, units)) &&
			(inclusivity[1] === ")"
				? this.isBefore(localTo, units)
				: !this.isAfter(localTo, units))
		)
	}

	function isSame(input, units) {
		var localInput = isMoment(input) ? input : createLocal(input),
			inputMs
		if (!(this.isValid() && localInput.isValid())) {
			return false
		}
		units = normalizeUnits(units) || "millisecond"
		if (units === "millisecond") {
			return this.valueOf() === localInput.valueOf()
		} else {
			inputMs = localInput.valueOf()
			return (
				this.clone().startOf(units).valueOf() <= inputMs &&
				inputMs <= this.clone().endOf(units).valueOf()
			)
		}
	}

	function isSameOrAfter(input, units) {
		return this.isSame(input, units) || this.isAfter(input, units)
	}

	function isSameOrBefore(input, units) {
		return this.isSame(input, units) || this.isBefore(input, units)
	}

	function diff(input, units, asFloat) {
		var that, zoneDelta, output

		if (!this.isValid()) {
			return NaN
		}

		that = cloneWithOffset(input, this)

		if (!that.isValid()) {
			return NaN
		}

		zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4

		units = normalizeUnits(units)

		switch (units) {
			case "year":
				output = monthDiff(this, that) / 12
				break
			case "month":
				output = monthDiff(this, that)
				break
			case "quarter":
				output = monthDiff(this, that) / 3
				break
			case "second":
				output = (this - that) / 1e3
				break // 1000
			case "minute":
				output = (this - that) / 6e4
				break // 1000 * 60
			case "hour":
				output = (this - that) / 36e5
				break // 1000 * 60 * 60
			case "day":
				output = (this - that - zoneDelta) / 864e5
				break // 1000 * 60 * 60 * 24, negate dst
			case "week":
				output = (this - that - zoneDelta) / 6048e5
				break // 1000 * 60 * 60 * 24 * 7, negate dst
			default:
				output = this - that
		}

		return asFloat ? output : absFloor(output)
	}

	function monthDiff(a, b) {
		if (a.date() < b.date()) {
			// end-of-month calculations work correct when the start month has more
			// days than the end month.
			return -monthDiff(b, a)
		}
		// difference in months
		var wholeMonthDiff = (b.year() - a.year()) * 12 + (b.month() - a.month()),
			// b is in (anchor - 1 month, anchor + 1 month)
			anchor = a.clone().add(wholeMonthDiff, "months"),
			anchor2,
			adjust

		if (b - anchor < 0) {
			anchor2 = a.clone().add(wholeMonthDiff - 1, "months")
			// linear across the month
			adjust = (b - anchor) / (anchor - anchor2)
		} else {
			anchor2 = a.clone().add(wholeMonthDiff + 1, "months")
			// linear across the month
			adjust = (b - anchor) / (anchor2 - anchor)
		}

		//check for negative zero, return zero if negative zero
		return -(wholeMonthDiff + adjust) || 0
	}

	hooks.defaultFormat = "YYYY-MM-DDTHH:mm:ssZ"
	hooks.defaultFormatUtc = "YYYY-MM-DDTHH:mm:ss[Z]"

	function toString() {
		return this.clone().locale("en").format("ddd MMM DD YYYY HH:mm:ss [GMT]ZZ")
	}

	function toISOString(keepOffset) {
		if (!this.isValid()) {
			return null
		}
		var utc = keepOffset !== true,
			m = utc ? this.clone().utc() : this
		if (m.year() < 0 || m.year() > 9999) {
			return formatMoment(
				m,
				utc ? "YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]" : "YYYYYY-MM-DD[T]HH:mm:ss.SSSZ"
			)
		}
		if (isFunction(Date.prototype.toISOString)) {
			// native implementation is ~50x faster, use it when we can
			if (utc) {
				return this.toDate().toISOString()
			} else {
				return new Date(this.valueOf() + this.utcOffset() * 60 * 1000)
					.toISOString()
					.replace("Z", formatMoment(m, "Z"))
			}
		}
		return formatMoment(
			m,
			utc ? "YYYY-MM-DD[T]HH:mm:ss.SSS[Z]" : "YYYY-MM-DD[T]HH:mm:ss.SSSZ"
		)
	}

	/**
	 * Return a human readable representation of a moment that can
	 * also be evaluated to get a new moment which is the same
	 *
	 * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects
	 */
	function inspect() {
		if (!this.isValid()) {
			return "moment.invalid(/* " + this._i + " */)"
		}
		var func = "moment",
			zone = "",
			prefix,
			year,
			datetime,
			suffix
		if (!this.isLocal()) {
			func = this.utcOffset() === 0 ? "moment.utc" : "moment.parseZone"
			zone = "Z"
		}
		prefix = "[" + func + '("]'
		year = 0 <= this.year() && this.year() <= 9999 ? "YYYY" : "YYYYYY"
		datetime = "-MM-DD[T]HH:mm:ss.SSS"
		suffix = zone + '[")]'

		return this.format(prefix + year + datetime + suffix)
	}

	function format(inputString) {
		if (!inputString) {
			inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat
		}
		var output = formatMoment(this, inputString)
		return this.localeData().postformat(output)
	}

	function from(time, withoutSuffix) {
		if (
			this.isValid() &&
			((isMoment(time) && time.isValid()) || createLocal(time).isValid())
		) {
			return createDuration({ to: this, from: time })
				.locale(this.locale())
				.humanize(!withoutSuffix)
		} else {
			return this.localeData().invalidDate()
		}
	}

	function fromNow(withoutSuffix) {
		return this.from(createLocal(), withoutSuffix)
	}

	function to(time, withoutSuffix) {
		if (
			this.isValid() &&
			((isMoment(time) && time.isValid()) || createLocal(time).isValid())
		) {
			return createDuration({ from: this, to: time })
				.locale(this.locale())
				.humanize(!withoutSuffix)
		} else {
			return this.localeData().invalidDate()
		}
	}

	function toNow(withoutSuffix) {
		return this.to(createLocal(), withoutSuffix)
	}

	// If passed a locale key, it will set the locale for this
	// instance.  Otherwise, it will return the locale configuration
	// variables for this instance.
	function locale(key) {
		var newLocaleData

		if (key === undefined) {
			return this._locale._abbr
		} else {
			newLocaleData = getLocale(key)
			if (newLocaleData != null) {
				this._locale = newLocaleData
			}
			return this
		}
	}

	var lang = deprecate(
		"moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.",
		function (key) {
			if (key === undefined) {
				return this.localeData()
			} else {
				return this.locale(key)
			}
		}
	)

	function localeData() {
		return this._locale
	}

	var MS_PER_SECOND = 1000,
		MS_PER_MINUTE = 60 * MS_PER_SECOND,
		MS_PER_HOUR = 60 * MS_PER_MINUTE,
		MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR

	// actual modulo - handles negative numbers (for dates before 1970):
	function mod$1(dividend, divisor) {
		return ((dividend % divisor) + divisor) % divisor
	}

	function localStartOfDate(y, m, d) {
		// the date constructor remaps years 0-99 to 1900-1999
		if (y < 100 && y >= 0) {
			// preserve leap years using a full 400 year cycle, then reset
			return new Date(y + 400, m, d) - MS_PER_400_YEARS
		} else {
			return new Date(y, m, d).valueOf()
		}
	}

	function utcStartOfDate(y, m, d) {
		// Date.UTC remaps years 0-99 to 1900-1999
		if (y < 100 && y >= 0) {
			// preserve leap years using a full 400 year cycle, then reset
			return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS
		} else {
			return Date.UTC(y, m, d)
		}
	}

	function startOf(units) {
		var time, startOfDate
		units = normalizeUnits(units)
		if (units === undefined || units === "millisecond" || !this.isValid()) {
			return this
		}

		startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate

		switch (units) {
			case "year":
				time = startOfDate(this.year(), 0, 1)
				break
			case "quarter":
				time = startOfDate(this.year(), this.month() - (this.month() % 3), 1)
				break
			case "month":
				time = startOfDate(this.year(), this.month(), 1)
				break
			case "week":
				time = startOfDate(
					this.year(),
					this.month(),
					this.date() - this.weekday()
				)
				break
			case "isoWeek":
				time = startOfDate(
					this.year(),
					this.month(),
					this.date() - (this.isoWeekday() - 1)
				)
				break
			case "day":
			case "date":
				time = startOfDate(this.year(), this.month(), this.date())
				break
			case "hour":
				time = this._d.valueOf()
				time -= mod$1(
					time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),
					MS_PER_HOUR
				)
				break
			case "minute":
				time = this._d.valueOf()
				time -= mod$1(time, MS_PER_MINUTE)
				break
			case "second":
				time = this._d.valueOf()
				time -= mod$1(time, MS_PER_SECOND)
				break
		}

		this._d.setTime(time)
		hooks.updateOffset(this, true)
		return this
	}

	function endOf(units) {
		var time, startOfDate
		units = normalizeUnits(units)
		if (units === undefined || units === "millisecond" || !this.isValid()) {
			return this
		}

		startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate

		switch (units) {
			case "year":
				time = startOfDate(this.year() + 1, 0, 1) - 1
				break
			case "quarter":
				time =
					startOfDate(this.year(), this.month() - (this.month() % 3) + 3, 1) - 1
				break
			case "month":
				time = startOfDate(this.year(), this.month() + 1, 1) - 1
				break
			case "week":
				time =
					startOfDate(
						this.year(),
						this.month(),
						this.date() - this.weekday() + 7
					) - 1
				break
			case "isoWeek":
				time =
					startOfDate(
						this.year(),
						this.month(),
						this.date() - (this.isoWeekday() - 1) + 7
					) - 1
				break
			case "day":
			case "date":
				time = startOfDate(this.year(), this.month(), this.date() + 1) - 1
				break
			case "hour":
				time = this._d.valueOf()
				time +=
					MS_PER_HOUR -
					mod$1(
						time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),
						MS_PER_HOUR
					) -
					1
				break
			case "minute":
				time = this._d.valueOf()
				time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1
				break
			case "second":
				time = this._d.valueOf()
				time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1
				break
		}

		this._d.setTime(time)
		hooks.updateOffset(this, true)
		return this
	}

	function valueOf() {
		return this._d.valueOf() - (this._offset || 0) * 60000
	}

	function unix() {
		return Math.floor(this.valueOf() / 1000)
	}

	function toDate() {
		return new Date(this.valueOf())
	}

	function toArray() {
		var m = this
		return [
			m.year(),
			m.month(),
			m.date(),
			m.hour(),
			m.minute(),
			m.second(),
			m.millisecond()
		]
	}

	function toObject() {
		var m = this
		return {
			years: m.year(),
			months: m.month(),
			date: m.date(),
			hours: m.hours(),
			minutes: m.minutes(),
			seconds: m.seconds(),
			milliseconds: m.milliseconds()
		}
	}

	function toJSON() {
		// new Date(NaN).toJSON() === null
		return this.isValid() ? this.toISOString() : null
	}

	function isValid$2() {
		return isValid(this)
	}

	function parsingFlags() {
		return extend({}, getParsingFlags(this))
	}

	function invalidAt() {
		return getParsingFlags(this).overflow
	}

	function creationData() {
		return {
			input: this._i,
			format: this._f,
			locale: this._locale,
			isUTC: this._isUTC,
			strict: this._strict
		}
	}

	addFormatToken("N", 0, 0, "eraAbbr")
	addFormatToken("NN", 0, 0, "eraAbbr")
	addFormatToken("NNN", 0, 0, "eraAbbr")
	addFormatToken("NNNN", 0, 0, "eraName")
	addFormatToken("NNNNN", 0, 0, "eraNarrow")

	addFormatToken("y", ["y", 1], "yo", "eraYear")
	addFormatToken("y", ["yy", 2], 0, "eraYear")
	addFormatToken("y", ["yyy", 3], 0, "eraYear")
	addFormatToken("y", ["yyyy", 4], 0, "eraYear")

	addRegexToken("N", matchEraAbbr)
	addRegexToken("NN", matchEraAbbr)
	addRegexToken("NNN", matchEraAbbr)
	addRegexToken("NNNN", matchEraName)
	addRegexToken("NNNNN", matchEraNarrow)

	addParseToken(
		["N", "NN", "NNN", "NNNN", "NNNNN"],
		function (input, array, config, token) {
			var era = config._locale.erasParse(input, token, config._strict)
			if (era) {
				getParsingFlags(config).era = era
			} else {
				getParsingFlags(config).invalidEra = input
			}
		}
	)

	addRegexToken("y", matchUnsigned)
	addRegexToken("yy", matchUnsigned)
	addRegexToken("yyy", matchUnsigned)
	addRegexToken("yyyy", matchUnsigned)
	addRegexToken("yo", matchEraYearOrdinal)

	addParseToken(["y", "yy", "yyy", "yyyy"], YEAR)
	addParseToken(["yo"], function (input, array, config, token) {
		var match
		if (config._locale._eraYearOrdinalRegex) {
			match = input.match(config._locale._eraYearOrdinalRegex)
		}

		if (config._locale.eraYearOrdinalParse) {
			array[YEAR] = config._locale.eraYearOrdinalParse(input, match)
		} else {
			array[YEAR] = parseInt(input, 10)
		}
	})

	function localeEras(m, format) {
		var i,
			l,
			date,
			eras = this._eras || getLocale("en")._eras
		for (i = 0, l = eras.length; i < l; ++i) {
			switch (typeof eras[i].since) {
				case "string":
					// truncate time
					date = hooks(eras[i].since).startOf("day")
					eras[i].since = date.valueOf()
					break
			}

			switch (typeof eras[i].until) {
				case "undefined":
					eras[i].until = +Infinity
					break
				case "string":
					// truncate time
					date = hooks(eras[i].until).startOf("day").valueOf()
					eras[i].until = date.valueOf()
					break
			}
		}
		return eras
	}

	function localeErasParse(eraName, format, strict) {
		var i,
			l,
			eras = this.eras(),
			name,
			abbr,
			narrow
		eraName = eraName.toUpperCase()

		for (i = 0, l = eras.length; i < l; ++i) {
			name = eras[i].name.toUpperCase()
			abbr = eras[i].abbr.toUpperCase()
			narrow = eras[i].narrow.toUpperCase()

			if (strict) {
				switch (format) {
					case "N":
					case "NN":
					case "NNN":
						if (abbr === eraName) {
							return eras[i]
						}
						break

					case "NNNN":
						if (name === eraName) {
							return eras[i]
						}
						break

					case "NNNNN":
						if (narrow === eraName) {
							return eras[i]
						}
						break
				}
			} else if ([name, abbr, narrow].indexOf(eraName) >= 0) {
				return eras[i]
			}
		}
	}

	function localeErasConvertYear(era, year) {
		var dir = era.since <= era.until ? +1 : -1
		if (year === undefined) {
			return hooks(era.since).year()
		} else {
			return hooks(era.since).year() + (year - era.offset) * dir
		}
	}

	function getEraName() {
		var i,
			l,
			val,
			eras = this.localeData().eras()
		for (i = 0, l = eras.length; i < l; ++i) {
			// truncate time
			val = this.clone().startOf("day").valueOf()

			if (eras[i].since <= val && val <= eras[i].until) {
				return eras[i].name
			}
			if (eras[i].until <= val && val <= eras[i].since) {
				return eras[i].name
			}
		}

		return ""
	}

	function getEraNarrow() {
		var i,
			l,
			val,
			eras = this.localeData().eras()
		for (i = 0, l = eras.length; i < l; ++i) {
			// truncate time
			val = this.clone().startOf("day").valueOf()

			if (eras[i].since <= val && val <= eras[i].until) {
				return eras[i].narrow
			}
			if (eras[i].until <= val && val <= eras[i].since) {
				return eras[i].narrow
			}
		}

		return ""
	}

	function getEraAbbr() {
		var i,
			l,
			val,
			eras = this.localeData().eras()
		for (i = 0, l = eras.length; i < l; ++i) {
			// truncate time
			val = this.clone().startOf("day").valueOf()

			if (eras[i].since <= val && val <= eras[i].until) {
				return eras[i].abbr
			}
			if (eras[i].until <= val && val <= eras[i].since) {
				return eras[i].abbr
			}
		}

		return ""
	}

	function getEraYear() {
		var i,
			l,
			dir,
			val,
			eras = this.localeData().eras()
		for (i = 0, l = eras.length; i < l; ++i) {
			dir = eras[i].since <= eras[i].until ? +1 : -1

			// truncate time
			val = this.clone().startOf("day").valueOf()

			if (
				(eras[i].since <= val && val <= eras[i].until) ||
				(eras[i].until <= val && val <= eras[i].since)
			) {
				return (
					(this.year() - hooks(eras[i].since).year()) * dir + eras[i].offset
				)
			}
		}

		return this.year()
	}

	function erasNameRegex(isStrict) {
		if (!hasOwnProp(this, "_erasNameRegex")) {
			computeErasParse.call(this)
		}
		return isStrict ? this._erasNameRegex : this._erasRegex
	}

	function erasAbbrRegex(isStrict) {
		if (!hasOwnProp(this, "_erasAbbrRegex")) {
			computeErasParse.call(this)
		}
		return isStrict ? this._erasAbbrRegex : this._erasRegex
	}

	function erasNarrowRegex(isStrict) {
		if (!hasOwnProp(this, "_erasNarrowRegex")) {
			computeErasParse.call(this)
		}
		return isStrict ? this._erasNarrowRegex : this._erasRegex
	}

	function matchEraAbbr(isStrict, locale) {
		return locale.erasAbbrRegex(isStrict)
	}

	function matchEraName(isStrict, locale) {
		return locale.erasNameRegex(isStrict)
	}

	function matchEraNarrow(isStrict, locale) {
		return locale.erasNarrowRegex(isStrict)
	}

	function matchEraYearOrdinal(isStrict, locale) {
		return locale._eraYearOrdinalRegex || matchUnsigned
	}

	function computeErasParse() {
		var abbrPieces = [],
			namePieces = [],
			narrowPieces = [],
			mixedPieces = [],
			i,
			l,
			eras = this.eras()

		for (i = 0, l = eras.length; i < l; ++i) {
			namePieces.push(regexEscape(eras[i].name))
			abbrPieces.push(regexEscape(eras[i].abbr))
			narrowPieces.push(regexEscape(eras[i].narrow))

			mixedPieces.push(regexEscape(eras[i].name))
			mixedPieces.push(regexEscape(eras[i].abbr))
			mixedPieces.push(regexEscape(eras[i].narrow))
		}

		this._erasRegex = new RegExp("^(" + mixedPieces.join("|") + ")", "i")
		this._erasNameRegex = new RegExp("^(" + namePieces.join("|") + ")", "i")
		this._erasAbbrRegex = new RegExp("^(" + abbrPieces.join("|") + ")", "i")
		this._erasNarrowRegex = new RegExp("^(" + narrowPieces.join("|") + ")", "i")
	}

	// FORMATTING

	addFormatToken(0, ["gg", 2], 0, function () {
		return this.weekYear() % 100
	})

	addFormatToken(0, ["GG", 2], 0, function () {
		return this.isoWeekYear() % 100
	})

	function addWeekYearFormatToken(token, getter) {
		addFormatToken(0, [token, token.length], 0, getter)
	}

	addWeekYearFormatToken("gggg", "weekYear")
	addWeekYearFormatToken("ggggg", "weekYear")
	addWeekYearFormatToken("GGGG", "isoWeekYear")
	addWeekYearFormatToken("GGGGG", "isoWeekYear")

	// ALIASES

	addUnitAlias("weekYear", "gg")
	addUnitAlias("isoWeekYear", "GG")

	// PRIORITY

	addUnitPriority("weekYear", 1)
	addUnitPriority("isoWeekYear", 1)

	// PARSING

	addRegexToken("G", matchSigned)
	addRegexToken("g", matchSigned)
	addRegexToken("GG", match1to2, match2)
	addRegexToken("gg", match1to2, match2)
	addRegexToken("GGGG", match1to4, match4)
	addRegexToken("gggg", match1to4, match4)
	addRegexToken("GGGGG", match1to6, match6)
	addRegexToken("ggggg", match1to6, match6)

	addWeekParseToken(
		["gggg", "ggggg", "GGGG", "GGGGG"],
		function (input, week, config, token) {
			week[token.substr(0, 2)] = toInt(input)
		}
	)

	addWeekParseToken(["gg", "GG"], function (input, week, config, token) {
		week[token] = hooks.parseTwoDigitYear(input)
	})

	// MOMENTS

	function getSetWeekYear(input) {
		return getSetWeekYearHelper.call(
			this,
			input,
			this.week(),
			this.weekday(),
			this.localeData()._week.dow,
			this.localeData()._week.doy
		)
	}

	function getSetISOWeekYear(input) {
		return getSetWeekYearHelper.call(
			this,
			input,
			this.isoWeek(),
			this.isoWeekday(),
			1,
			4
		)
	}

	function getISOWeeksInYear() {
		return weeksInYear(this.year(), 1, 4)
	}

	function getISOWeeksInISOWeekYear() {
		return weeksInYear(this.isoWeekYear(), 1, 4)
	}

	function getWeeksInYear() {
		var weekInfo = this.localeData()._week
		return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy)
	}

	function getWeeksInWeekYear() {
		var weekInfo = this.localeData()._week
		return weeksInYear(this.weekYear(), weekInfo.dow, weekInfo.doy)
	}

	function getSetWeekYearHelper(input, week, weekday, dow, doy) {
		var weeksTarget
		if (input == null) {
			return weekOfYear(this, dow, doy).year
		} else {
			weeksTarget = weeksInYear(input, dow, doy)
			if (week > weeksTarget) {
				week = weeksTarget
			}
			return setWeekAll.call(this, input, week, weekday, dow, doy)
		}
	}

	function setWeekAll(weekYear, week, weekday, dow, doy) {
		var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
			date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear)

		this.year(date.getUTCFullYear())
		this.month(date.getUTCMonth())
		this.date(date.getUTCDate())
		return this
	}

	// FORMATTING

	addFormatToken("Q", 0, "Qo", "quarter")

	// ALIASES

	addUnitAlias("quarter", "Q")

	// PRIORITY

	addUnitPriority("quarter", 7)

	// PARSING

	addRegexToken("Q", match1)
	addParseToken("Q", function (input, array) {
		array[MONTH] = (toInt(input) - 1) * 3
	})

	// MOMENTS

	function getSetQuarter(input) {
		return input == null
			? Math.ceil((this.month() + 1) / 3)
			: this.month((input - 1) * 3 + (this.month() % 3))
	}

	// FORMATTING

	addFormatToken("D", ["DD", 2], "Do", "date")

	// ALIASES

	addUnitAlias("date", "D")

	// PRIORITY
	addUnitPriority("date", 9)

	// PARSING

	addRegexToken("D", match1to2)
	addRegexToken("DD", match1to2, match2)
	addRegexToken("Do", function (isStrict, locale) {
		// TODO: Remove "ordinalParse" fallback in next major release.
		return isStrict
			? locale._dayOfMonthOrdinalParse || locale._ordinalParse
			: locale._dayOfMonthOrdinalParseLenient
	})

	addParseToken(["D", "DD"], DATE)
	addParseToken("Do", function (input, array) {
		array[DATE] = toInt(input.match(match1to2)[0])
	})

	// MOMENTS

	var getSetDayOfMonth = makeGetSet("Date", true)

	// FORMATTING

	addFormatToken("DDD", ["DDDD", 3], "DDDo", "dayOfYear")

	// ALIASES

	addUnitAlias("dayOfYear", "DDD")

	// PRIORITY
	addUnitPriority("dayOfYear", 4)

	// PARSING

	addRegexToken("DDD", match1to3)
	addRegexToken("DDDD", match3)
	addParseToken(["DDD", "DDDD"], function (input, array, config) {
		config._dayOfYear = toInt(input)
	})

	// HELPERS

	// MOMENTS

	function getSetDayOfYear(input) {
		var dayOfYear =
			Math.round(
				(this.clone().startOf("day") - this.clone().startOf("year")) / 864e5
			) + 1
		return input == null ? dayOfYear : this.add(input - dayOfYear, "d")
	}

	// FORMATTING

	addFormatToken("m", ["mm", 2], 0, "minute")

	// ALIASES

	addUnitAlias("minute", "m")

	// PRIORITY

	addUnitPriority("minute", 14)

	// PARSING

	addRegexToken("m", match1to2)
	addRegexToken("mm", match1to2, match2)
	addParseToken(["m", "mm"], MINUTE)

	// MOMENTS

	var getSetMinute = makeGetSet("Minutes", false)

	// FORMATTING

	addFormatToken("s", ["ss", 2], 0, "second")

	// ALIASES

	addUnitAlias("second", "s")

	// PRIORITY

	addUnitPriority("second", 15)

	// PARSING

	addRegexToken("s", match1to2)
	addRegexToken("ss", match1to2, match2)
	addParseToken(["s", "ss"], SECOND)

	// MOMENTS

	var getSetSecond = makeGetSet("Seconds", false)

	// FORMATTING

	addFormatToken("S", 0, 0, function () {
		return ~~(this.millisecond() / 100)
	})

	addFormatToken(0, ["SS", 2], 0, function () {
		return ~~(this.millisecond() / 10)
	})

	addFormatToken(0, ["SSS", 3], 0, "millisecond")
	addFormatToken(0, ["SSSS", 4], 0, function () {
		return this.millisecond() * 10
	})
	addFormatToken(0, ["SSSSS", 5], 0, function () {
		return this.millisecond() * 100
	})
	addFormatToken(0, ["SSSSSS", 6], 0, function () {
		return this.millisecond() * 1000
	})
	addFormatToken(0, ["SSSSSSS", 7], 0, function () {
		return this.millisecond() * 10000
	})
	addFormatToken(0, ["SSSSSSSS", 8], 0, function () {
		return this.millisecond() * 100000
	})
	addFormatToken(0, ["SSSSSSSSS", 9], 0, function () {
		return this.millisecond() * 1000000
	})

	// ALIASES

	addUnitAlias("millisecond", "ms")

	// PRIORITY

	addUnitPriority("millisecond", 16)

	// PARSING

	addRegexToken("S", match1to3, match1)
	addRegexToken("SS", match1to3, match2)
	addRegexToken("SSS", match1to3, match3)

	var token, getSetMillisecond
	for (token = "SSSS"; token.length <= 9; token += "S") {
		addRegexToken(token, matchUnsigned)
	}

	function parseMs(input, array) {
		array[MILLISECOND] = toInt(("0." + input) * 1000)
	}

	for (token = "S"; token.length <= 9; token += "S") {
		addParseToken(token, parseMs)
	}

	getSetMillisecond = makeGetSet("Milliseconds", false)

	// FORMATTING

	addFormatToken("z", 0, 0, "zoneAbbr")
	addFormatToken("zz", 0, 0, "zoneName")

	// MOMENTS

	function getZoneAbbr() {
		return this._isUTC ? "UTC" : ""
	}

	function getZoneName() {
		return this._isUTC ? "Coordinated Universal Time" : ""
	}

	var proto = Moment.prototype

	proto.add = add
	proto.calendar = calendar$1
	proto.clone = clone
	proto.diff = diff
	proto.endOf = endOf
	proto.format = format
	proto.from = from
	proto.fromNow = fromNow
	proto.to = to
	proto.toNow = toNow
	proto.get = stringGet
	proto.invalidAt = invalidAt
	proto.isAfter = isAfter
	proto.isBefore = isBefore
	proto.isBetween = isBetween
	proto.isSame = isSame
	proto.isSameOrAfter = isSameOrAfter
	proto.isSameOrBefore = isSameOrBefore
	proto.isValid = isValid$2
	proto.lang = lang
	proto.locale = locale
	proto.localeData = localeData
	proto.max = prototypeMax
	proto.min = prototypeMin
	proto.parsingFlags = parsingFlags
	proto.set = stringSet
	proto.startOf = startOf
	proto.subtract = subtract
	proto.toArray = toArray
	proto.toObject = toObject
	proto.toDate = toDate
	proto.toISOString = toISOString
	proto.inspect = inspect
	if (typeof Symbol !== "undefined" && Symbol.for != null) {
		proto[Symbol.for("nodejs.util.inspect.custom")] = function () {
			return "Moment<" + this.format() + ">"
		}
	}
	proto.toJSON = toJSON
	proto.toString = toString
	proto.unix = unix
	proto.valueOf = valueOf
	proto.creationData = creationData
	proto.eraName = getEraName
	proto.eraNarrow = getEraNarrow
	proto.eraAbbr = getEraAbbr
	proto.eraYear = getEraYear
	proto.year = getSetYear
	proto.isLeapYear = getIsLeapYear
	proto.weekYear = getSetWeekYear
	proto.isoWeekYear = getSetISOWeekYear
	proto.quarter = proto.quarters = getSetQuarter
	proto.month = getSetMonth
	proto.daysInMonth = getDaysInMonth
	proto.week = proto.weeks = getSetWeek
	proto.isoWeek = proto.isoWeeks = getSetISOWeek
	proto.weeksInYear = getWeeksInYear
	proto.weeksInWeekYear = getWeeksInWeekYear
	proto.isoWeeksInYear = getISOWeeksInYear
	proto.isoWeeksInISOWeekYear = getISOWeeksInISOWeekYear
	proto.date = getSetDayOfMonth
	proto.day = proto.days = getSetDayOfWeek
	proto.weekday = getSetLocaleDayOfWeek
	proto.isoWeekday = getSetISODayOfWeek
	proto.dayOfYear = getSetDayOfYear
	proto.hour = proto.hours = getSetHour
	proto.minute = proto.minutes = getSetMinute
	proto.second = proto.seconds = getSetSecond
	proto.millisecond = proto.milliseconds = getSetMillisecond
	proto.utcOffset = getSetOffset
	proto.utc = setOffsetToUTC
	proto.local = setOffsetToLocal
	proto.parseZone = setOffsetToParsedOffset
	proto.hasAlignedHourOffset = hasAlignedHourOffset
	proto.isDST = isDaylightSavingTime
	proto.isLocal = isLocal
	proto.isUtcOffset = isUtcOffset
	proto.isUtc = isUtc
	proto.isUTC = isUtc
	proto.zoneAbbr = getZoneAbbr
	proto.zoneName = getZoneName
	proto.dates = deprecate(
		"dates accessor is deprecated. Use date instead.",
		getSetDayOfMonth
	)
	proto.months = deprecate(
		"months accessor is deprecated. Use month instead",
		getSetMonth
	)
	proto.years = deprecate(
		"years accessor is deprecated. Use year instead",
		getSetYear
	)
	proto.zone = deprecate(
		"moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/",
		getSetZone
	)
	proto.isDSTShifted = deprecate(
		"isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information",
		isDaylightSavingTimeShifted
	)

	function createUnix(input) {
		return createLocal(input * 1000)
	}

	function createInZone() {
		return createLocal.apply(null, arguments).parseZone()
	}

	function preParsePostFormat(string) {
		return string
	}

	var proto$1 = Locale.prototype

	proto$1.calendar = calendar
	proto$1.longDateFormat = longDateFormat
	proto$1.invalidDate = invalidDate
	proto$1.ordinal = ordinal
	proto$1.preparse = preParsePostFormat
	proto$1.postformat = preParsePostFormat
	proto$1.relativeTime = relativeTime
	proto$1.pastFuture = pastFuture
	proto$1.set = set
	proto$1.eras = localeEras
	proto$1.erasParse = localeErasParse
	proto$1.erasConvertYear = localeErasConvertYear
	proto$1.erasAbbrRegex = erasAbbrRegex
	proto$1.erasNameRegex = erasNameRegex
	proto$1.erasNarrowRegex = erasNarrowRegex

	proto$1.months = localeMonths
	proto$1.monthsShort = localeMonthsShort
	proto$1.monthsParse = localeMonthsParse
	proto$1.monthsRegex = monthsRegex
	proto$1.monthsShortRegex = monthsShortRegex
	proto$1.week = localeWeek
	proto$1.firstDayOfYear = localeFirstDayOfYear
	proto$1.firstDayOfWeek = localeFirstDayOfWeek

	proto$1.weekdays = localeWeekdays
	proto$1.weekdaysMin = localeWeekdaysMin
	proto$1.weekdaysShort = localeWeekdaysShort
	proto$1.weekdaysParse = localeWeekdaysParse

	proto$1.weekdaysRegex = weekdaysRegex
	proto$1.weekdaysShortRegex = weekdaysShortRegex
	proto$1.weekdaysMinRegex = weekdaysMinRegex

	proto$1.isPM = localeIsPM
	proto$1.meridiem = localeMeridiem

	function get$1(format, index, field, setter) {
		var locale = getLocale(),
			utc = createUTC().set(setter, index)
		return locale[field](utc, format)
	}

	function listMonthsImpl(format, index, field) {
		if (isNumber(format)) {
			index = format
			format = undefined
		}

		format = format || ""

		if (index != null) {
			return get$1(format, index, field, "month")
		}

		var i,
			out = []
		for (i = 0; i < 12; i++) {
			out[i] = get$1(format, i, field, "month")
		}
		return out
	}

	// ()
	// (5)
	// (fmt, 5)
	// (fmt)
	// (true)
	// (true, 5)
	// (true, fmt, 5)
	// (true, fmt)
	function listWeekdaysImpl(localeSorted, format, index, field) {
		if (typeof localeSorted === "boolean") {
			if (isNumber(format)) {
				index = format
				format = undefined
			}

			format = format || ""
		} else {
			format = localeSorted
			index = format
			localeSorted = false

			if (isNumber(format)) {
				index = format
				format = undefined
			}

			format = format || ""
		}

		var locale = getLocale(),
			shift = localeSorted ? locale._week.dow : 0,
			i,
			out = []

		if (index != null) {
			return get$1(format, (index + shift) % 7, field, "day")
		}

		for (i = 0; i < 7; i++) {
			out[i] = get$1(format, (i + shift) % 7, field, "day")
		}
		return out
	}

	function listMonths(format, index) {
		return listMonthsImpl(format, index, "months")
	}

	function listMonthsShort(format, index) {
		return listMonthsImpl(format, index, "monthsShort")
	}

	function listWeekdays(localeSorted, format, index) {
		return listWeekdaysImpl(localeSorted, format, index, "weekdays")
	}

	function listWeekdaysShort(localeSorted, format, index) {
		return listWeekdaysImpl(localeSorted, format, index, "weekdaysShort")
	}

	function listWeekdaysMin(localeSorted, format, index) {
		return listWeekdaysImpl(localeSorted, format, index, "weekdaysMin")
	}

	getSetGlobalLocale("en", {
		eras: [
			{
				since: "0001-01-01",
				until: +Infinity,
				offset: 1,
				name: "Anno Domini",
				narrow: "AD",
				abbr: "AD"
			},
			{
				since: "0000-12-31",
				until: -Infinity,
				offset: 1,
				name: "Before Christ",
				narrow: "BC",
				abbr: "BC"
			}
		],
		dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
		ordinal: function (number) {
			var b = number % 10,
				output =
					toInt((number % 100) / 10) === 1
						? "th"
						: b === 1
						? "st"
						: b === 2
						? "nd"
						: b === 3
						? "rd"
						: "th"
			return number + output
		}
	})

	// Side effect imports

	hooks.lang = deprecate(
		"moment.lang is deprecated. Use moment.locale instead.",
		getSetGlobalLocale
	)
	hooks.langData = deprecate(
		"moment.langData is deprecated. Use moment.localeData instead.",
		getLocale
	)

	var mathAbs = Math.abs

	function abs() {
		var data = this._data

		this._milliseconds = mathAbs(this._milliseconds)
		this._days = mathAbs(this._days)
		this._months = mathAbs(this._months)

		data.milliseconds = mathAbs(data.milliseconds)
		data.seconds = mathAbs(data.seconds)
		data.minutes = mathAbs(data.minutes)
		data.hours = mathAbs(data.hours)
		data.months = mathAbs(data.months)
		data.years = mathAbs(data.years)

		return this
	}

	function addSubtract$1(duration, input, value, direction) {
		var other = createDuration(input, value)

		duration._milliseconds += direction * other._milliseconds
		duration._days += direction * other._days
		duration._months += direction * other._months

		return duration._bubble()
	}

	// supports only 2.0-style add(1, 's') or add(duration)
	function add$1(input, value) {
		return addSubtract$1(this, input, value, 1)
	}

	// supports only 2.0-style subtract(1, 's') or subtract(duration)
	function subtract$1(input, value) {
		return addSubtract$1(this, input, value, -1)
	}

	function absCeil(number) {
		if (number < 0) {
			return Math.floor(number)
		} else {
			return Math.ceil(number)
		}
	}

	function bubble() {
		var milliseconds = this._milliseconds,
			days = this._days,
			months = this._months,
			data = this._data,
			seconds,
			minutes,
			hours,
			years,
			monthsFromDays

		// if we have a mix of positive and negative values, bubble down first
		// check: https://github.com/moment/moment/issues/2166
		if (
			!(
				(milliseconds >= 0 && days >= 0 && months >= 0) ||
				(milliseconds <= 0 && days <= 0 && months <= 0)
			)
		) {
			milliseconds += absCeil(monthsToDays(months) + days) * 864e5
			days = 0
			months = 0
		}

		// The following code bubbles up values, see the tests for
		// examples of what that means.
		data.milliseconds = milliseconds % 1000

		seconds = absFloor(milliseconds / 1000)
		data.seconds = seconds % 60

		minutes = absFloor(seconds / 60)
		data.minutes = minutes % 60

		hours = absFloor(minutes / 60)
		data.hours = hours % 24

		days += absFloor(hours / 24)

		// convert days to months
		monthsFromDays = absFloor(daysToMonths(days))
		months += monthsFromDays
		days -= absCeil(monthsToDays(monthsFromDays))

		// 12 months -> 1 year
		years = absFloor(months / 12)
		months %= 12

		data.days = days
		data.months = months
		data.years = years

		return this
	}

	function daysToMonths(days) {
		// 400 years have 146097 days (taking into account leap year rules)
		// 400 years have 12 months === 4800
		return (days * 4800) / 146097
	}

	function monthsToDays(months) {
		// the reverse of daysToMonths
		return (months * 146097) / 4800
	}

	function as(units) {
		if (!this.isValid()) {
			return NaN
		}
		var days,
			months,
			milliseconds = this._milliseconds

		units = normalizeUnits(units)

		if (units === "month" || units === "quarter" || units === "year") {
			days = this._days + milliseconds / 864e5
			months = this._months + daysToMonths(days)
			switch (units) {
				case "month":
					return months
				case "quarter":
					return months / 3
				case "year":
					return months / 12
			}
		} else {
			// handle milliseconds separately because of floating point math errors (issue #1867)
			days = this._days + Math.round(monthsToDays(this._months))
			switch (units) {
				case "week":
					return days / 7 + milliseconds / 6048e5
				case "day":
					return days + milliseconds / 864e5
				case "hour":
					return days * 24 + milliseconds / 36e5
				case "minute":
					return days * 1440 + milliseconds / 6e4
				case "second":
					return days * 86400 + milliseconds / 1000
				// Math.floor prevents floating point math errors here
				case "millisecond":
					return Math.floor(days * 864e5) + milliseconds
				default:
					throw new Error("Unknown unit " + units)
			}
		}
	}

	// TODO: Use this.as('ms')?
	function valueOf$1() {
		if (!this.isValid()) {
			return NaN
		}
		return (
			this._milliseconds +
			this._days * 864e5 +
			(this._months % 12) * 2592e6 +
			toInt(this._months / 12) * 31536e6
		)
	}

	function makeAs(alias) {
		return function () {
			return this.as(alias)
		}
	}

	var asMilliseconds = makeAs("ms"),
		asSeconds = makeAs("s"),
		asMinutes = makeAs("m"),
		asHours = makeAs("h"),
		asDays = makeAs("d"),
		asWeeks = makeAs("w"),
		asMonths = makeAs("M"),
		asQuarters = makeAs("Q"),
		asYears = makeAs("y")

	function clone$1() {
		return createDuration(this)
	}

	function get$2(units) {
		units = normalizeUnits(units)
		return this.isValid() ? this[units + "s"]() : NaN
	}

	function makeGetter(name) {
		return function () {
			return this.isValid() ? this._data[name] : NaN
		}
	}

	var milliseconds = makeGetter("milliseconds"),
		seconds = makeGetter("seconds"),
		minutes = makeGetter("minutes"),
		hours = makeGetter("hours"),
		days = makeGetter("days"),
		months = makeGetter("months"),
		years = makeGetter("years")

	function weeks() {
		return absFloor(this.days() / 7)
	}

	var round = Math.round,
		thresholds = {
			ss: 44, // a few seconds to seconds
			s: 45, // seconds to minute
			m: 45, // minutes to hour
			h: 22, // hours to day
			d: 26, // days to month/week
			w: null, // weeks to month
			M: 11 // months to year
		}

	// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
	function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
		return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture)
	}

	function relativeTime$1(posNegDuration, withoutSuffix, thresholds, locale) {
		var duration = createDuration(posNegDuration).abs(),
			seconds = round(duration.as("s")),
			minutes = round(duration.as("m")),
			hours = round(duration.as("h")),
			days = round(duration.as("d")),
			months = round(duration.as("M")),
			weeks = round(duration.as("w")),
			years = round(duration.as("y")),
			a =
				(seconds <= thresholds.ss && ["s", seconds]) ||
				(seconds < thresholds.s && ["ss", seconds]) ||
				(minutes <= 1 && ["m"]) ||
				(minutes < thresholds.m && ["mm", minutes]) ||
				(hours <= 1 && ["h"]) ||
				(hours < thresholds.h && ["hh", hours]) ||
				(days <= 1 && ["d"]) ||
				(days < thresholds.d && ["dd", days])

		if (thresholds.w != null) {
			a = a || (weeks <= 1 && ["w"]) || (weeks < thresholds.w && ["ww", weeks])
		}
		a = a ||
			(months <= 1 && ["M"]) ||
			(months < thresholds.M && ["MM", months]) ||
			(years <= 1 && ["y"]) || ["yy", years]

		a[2] = withoutSuffix
		a[3] = +posNegDuration > 0
		a[4] = locale
		return substituteTimeAgo.apply(null, a)
	}

	// This function allows you to set the rounding function for relative time strings
	function getSetRelativeTimeRounding(roundingFunction) {
		if (roundingFunction === undefined) {
			return round
		}
		if (typeof roundingFunction === "function") {
			round = roundingFunction
			return true
		}
		return false
	}

	// This function allows you to set a threshold for relative time strings
	function getSetRelativeTimeThreshold(threshold, limit) {
		if (thresholds[threshold] === undefined) {
			return false
		}
		if (limit === undefined) {
			return thresholds[threshold]
		}
		thresholds[threshold] = limit
		if (threshold === "s") {
			thresholds.ss = limit - 1
		}
		return true
	}

	function humanize(argWithSuffix, argThresholds) {
		if (!this.isValid()) {
			return this.localeData().invalidDate()
		}

		var withSuffix = false,
			th = thresholds,
			locale,
			output

		if (typeof argWithSuffix === "object") {
			argThresholds = argWithSuffix
			argWithSuffix = false
		}
		if (typeof argWithSuffix === "boolean") {
			withSuffix = argWithSuffix
		}
		if (typeof argThresholds === "object") {
			th = Object.assign({}, thresholds, argThresholds)
			if (argThresholds.s != null && argThresholds.ss == null) {
				th.ss = argThresholds.s - 1
			}
		}

		locale = this.localeData()
		output = relativeTime$1(this, !withSuffix, th, locale)

		if (withSuffix) {
			output = locale.pastFuture(+this, output)
		}

		return locale.postformat(output)
	}

	var abs$1 = Math.abs

	function sign(x) {
		return (x > 0) - (x < 0) || +x
	}

	function toISOString$1() {
		// for ISO strings we do not use the normal bubbling rules:
		//  * milliseconds bubble up until they become hours
		//  * days do not bubble at all
		//  * months bubble up until they become years
		// This is because there is no context-free conversion between hours and days
		// (think of clock changes)
		// and also not between days and months (28-31 days per month)
		if (!this.isValid()) {
			return this.localeData().invalidDate()
		}

		var seconds = abs$1(this._milliseconds) / 1000,
			days = abs$1(this._days),
			months = abs$1(this._months),
			minutes,
			hours,
			years,
			s,
			total = this.asSeconds(),
			totalSign,
			ymSign,
			daysSign,
			hmsSign

		if (!total) {
			// this is the same as C#'s (Noda) and python (isodate)...
			// but not other JS (goog.date)
			return "P0D"
		}

		// 3600 seconds -> 60 minutes -> 1 hour
		minutes = absFloor(seconds / 60)
		hours = absFloor(minutes / 60)
		seconds %= 60
		minutes %= 60

		// 12 months -> 1 year
		years = absFloor(months / 12)
		months %= 12

		// inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
		s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, "") : ""

		totalSign = total < 0 ? "-" : ""
		ymSign = sign(this._months) !== sign(total) ? "-" : ""
		daysSign = sign(this._days) !== sign(total) ? "-" : ""
		hmsSign = sign(this._milliseconds) !== sign(total) ? "-" : ""

		return (
			totalSign +
			"P" +
			(years ? ymSign + years + "Y" : "") +
			(months ? ymSign + months + "M" : "") +
			(days ? daysSign + days + "D" : "") +
			(hours || minutes || seconds ? "T" : "") +
			(hours ? hmsSign + hours + "H" : "") +
			(minutes ? hmsSign + minutes + "M" : "") +
			(seconds ? hmsSign + s + "S" : "")
		)
	}

	var proto$2 = Duration.prototype

	proto$2.isValid = isValid$1
	proto$2.abs = abs
	proto$2.add = add$1
	proto$2.subtract = subtract$1
	proto$2.as = as
	proto$2.asMilliseconds = asMilliseconds
	proto$2.asSeconds = asSeconds
	proto$2.asMinutes = asMinutes
	proto$2.asHours = asHours
	proto$2.asDays = asDays
	proto$2.asWeeks = asWeeks
	proto$2.asMonths = asMonths
	proto$2.asQuarters = asQuarters
	proto$2.asYears = asYears
	proto$2.valueOf = valueOf$1
	proto$2._bubble = bubble
	proto$2.clone = clone$1
	proto$2.get = get$2
	proto$2.milliseconds = milliseconds
	proto$2.seconds = seconds
	proto$2.minutes = minutes
	proto$2.hours = hours
	proto$2.days = days
	proto$2.weeks = weeks
	proto$2.months = months
	proto$2.years = years
	proto$2.humanize = humanize
	proto$2.toISOString = toISOString$1
	proto$2.toString = toISOString$1
	proto$2.toJSON = toISOString$1
	proto$2.locale = locale
	proto$2.localeData = localeData

	proto$2.toIsoString = deprecate(
		"toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)",
		toISOString$1
	)
	proto$2.lang = lang

	// FORMATTING

	addFormatToken("X", 0, 0, "unix")
	addFormatToken("x", 0, 0, "valueOf")

	// PARSING

	addRegexToken("x", matchSigned)
	addRegexToken("X", matchTimestamp)
	addParseToken("X", function (input, array, config) {
		config._d = new Date(parseFloat(input) * 1000)
	})
	addParseToken("x", function (input, array, config) {
		config._d = new Date(toInt(input))
	})

	//! moment.js

	hooks.version = "2.29.4"

	setHookCallback(createLocal)

	hooks.fn = proto
	hooks.min = min
	hooks.max = max
	hooks.now = now
	hooks.utc = createUTC
	hooks.unix = createUnix
	hooks.months = listMonths
	hooks.isDate = isDate
	hooks.locale = getSetGlobalLocale
	hooks.invalid = createInvalid
	hooks.duration = createDuration
	hooks.isMoment = isMoment
	hooks.weekdays = listWeekdays
	hooks.parseZone = createInZone
	hooks.localeData = getLocale
	hooks.isDuration = isDuration
	hooks.monthsShort = listMonthsShort
	hooks.weekdaysMin = listWeekdaysMin
	hooks.defineLocale = defineLocale
	hooks.updateLocale = updateLocale
	hooks.locales = listLocales
	hooks.weekdaysShort = listWeekdaysShort
	hooks.normalizeUnits = normalizeUnits
	hooks.relativeTimeRounding = getSetRelativeTimeRounding
	hooks.relativeTimeThreshold = getSetRelativeTimeThreshold
	hooks.calendarFormat = getCalendarFormat
	hooks.prototype = proto

	// currently HTML5 input type only supports 24-hour formats
	hooks.HTML5_FMT = {
		DATETIME_LOCAL: "YYYY-MM-DDTHH:mm", // <input type="datetime-local" />
		DATETIME_LOCAL_SECONDS: "YYYY-MM-DDTHH:mm:ss", // <input type="datetime-local" step="1" />
		DATETIME_LOCAL_MS: "YYYY-MM-DDTHH:mm:ss.SSS", // <input type="datetime-local" step="0.001" />
		DATE: "YYYY-MM-DD", // <input type="date" />
		TIME: "HH:mm", // <input type="time" />
		TIME_SECONDS: "HH:mm:ss", // <input type="time" step="1" />
		TIME_MS: "HH:mm:ss.SSS", // <input type="time" step="0.001" />
		WEEK: "GGGG-[W]WW", // <input type="week" />
		MONTH: "YYYY-MM" // <input type="month" />
	}

	return hooks
})
